View source for Evolution

{{samename|set in the video game {{vg|Pokémon Trading Card Game}}|Evolution (TCG GB1)}} ''For other uses, see [[Evolution (disambiguation)]].''
[[File:Evolution SV.png|thumb|250px|right|{{p|Pikachu}} evolving into {{p|Raichu}}, depicted in {{g|Scarlet and Violet}}]]
'''Evolution''' (Japanese: '''{{tt|進化|しんか}}''' ''evolution'') is a process in which a {{OBP|Pokémon|species}} changes into a different species of Pokémon.

==In the core series games==
Evolution is not a merely visual change. When a Pokémon evolves, it becomes a new species of Pokémon. This new species has a different Pokédex number and [[base stat]]s, and may be a different [[type]] (although normally at least one of the pre-evolved form's types remains the same), learn different moves, and have a different [[Ability]]. The Pokémon's personal properties, however, such as [[Nature]] and {{Shiny|Shininess}}, remain.

Holding an [[Everstone]] prevents a Pokémon from evolving by level up or trade. Additionally, the player can [[evolution prevention|prevent a Pokémon from evolving]] upon leveling up by pressing the B button when it would evolve. In {{game|FireRed and LeafGreen|s}}, if the player does not have the [[National Pokédex]], if a Pokémon in the [[Kanto Pokédex]] meets its evolution conditions but its evolved form is not in the Kanto Pokédex (for example, {{p|Chansey}}'s evolution into {{p|Blissey}}), it will attempt to evolve but fail.

When a Pokémon evolves, it immediately attempts to learn all moves that the evolved form can learn at its current [[level]]. Additionally, starting in [[Generation VII]], some Pokémon have [[Evolution move]]s, which are moves that Pokémon will always attempt to learn when evolving into that species, regardless of level.

[[Professor Elm]] and [[Professor Rowan]] are the leading experts in Pokémon evolution. According to Rowan's research, over 90% of all Pokémon are connected to at least one other through evolution. Currently, the actual percentage is {{#expr:(1-(
{{PAGESINCAT:Pokémon that are not part of an evolutionary line}}-2)/{{numpkmn}})*100 round 0}}% of all known Pokémon.<!--subtract 2 due to Pichu and Pikachu--> Rowan's research focuses on whether evolution is a form of maturity in Pokémon, and looking at the implications of the process on [[Legendary Pokémon]] (which could not evolve in [[Generation IV]], when Rowan debuted).

===Evolutionary families===
[[File:Piplup family anime.png|thumb|240px|right|Piplup evolution family in the anime]]
An evolution family is a group of Pokémon who are all related by evolution. The species at the lowest evolutionary stage in an evolutionary family can ultimately evolve into any member of the evolutionary family.

Pokémon evolutionary families have anywhere between one and three stages. In a one-stage family, there is only a single Pokémon that cannot evolve. In a two-stage family, any member of the family can evolve at most once, from the unevolved form into one of the evolved forms. In a three-stage family, at least one of the evolved forms can evolve once again.

====One-evolution families====
:''See also: [[:Category:Pokémon that are part of a two-stage evolutionary line]]''
These are evolutionary families in which a Pokémon can only ever evolve once. These are the most common type of evolutionary families. An example of this type of evolution family is below.

{| style="margin:auto; background: #E0F2B6; {{roundy|15px}}"
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{| style="margin:auto; text-align:center; background: #C4E673; {{roundy|15px}}"
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| <small>Lowest</small>
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| <small>Highest</small>
| rowspan="2" |
|-
| style="background: #E0F2B6; {{roundy|1em}}" | [[File:401Kricketot.png|96px]]<br>{{pcolor|Kricketot|000}}
| <small>Trigger</small><br>→<br>{{color2|000|Level|Level 10}}+
| style="background: #E0F2B6; {{roundy|1em}}" | [[File:402Kricketune.png|96px]]<br>{{pcolor|Kricketune|000}}
|-
| colspan="3" |
|}
|}

====Two-evolution families====
:''See also: [[:Category:Pokémon that are part of a three-stage evolutionary line]]''
These are evolutionary families in which a Pokémon can evolve twice. All regional [[first partner Pokémon]] have this type of evolutionary family. An example of this type of evolution family is below.

{| style="margin:auto; background: #E0F2B6; {{roundy|15px}}"
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{| style="margin:auto; text-align:center; background: #C4E673; {{roundy|15px}}"
|-
| rowspan="2" |
| <small>Lowest</small>
|
| <small>Middle</small>
|
| <small>Highest</small>
| rowspan="2" |
|-
| style="background: #E0F2B6; {{roundy|1em}}" | [[File:137Porygon.png|96px]]<br>{{pcolor|Porygon|000}}
| <small>Trigger</small><br>→<br>Trade<br><small>Holding {{color2|000|Upgrade}}</small>
| style="background: #E0F2B6; {{roundy|1em}}" | [[File:233Porygon2.png|96px]]<br>{{pcolor|Porygon2|000}}
| <small>Trigger</small><br>→<br>Trade<br><small>Holding {{color2|000|Dubious Disc}}</small>
| style="background: #E0F2B6; {{roundy|1em}}" | [[File:474Porygon-Z.png|96px]]<br>{{pcolor|Porygon-Z|000}}
|-
| colspan="5" |
|}
|}

====Pokémon that do not evolve====
{{main|List of Pokémon that are not part of an evolutionary line}}
These are evolutionary families with a single member, which cannot evolve. Many of the Pokémon that have no evolutionary relatives are {{pkmn2|Legendary}} or [[Mythical Pokémon]], although there are some Legendary and Mythical Pokémon that can evolve.

{| style="margin:auto; background: #E0F2B6; {{roundy|15px}}"
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{| style="margin:auto; text-align:center; background: #C4E673; {{roundy|15px}}"
|-
| rowspan="2" |
| <small>Only stage</small>
| rowspan="2" |
|-
| style="background: #E0F2B6; {{roundy|1em}}" | [[File:0870Falinks.png|96px]]<br>{{pcolor|Falinks|000}}
|-
| colspan="5" |
|}
|}

====Branched evolution families====
{{main|List of Pokémon with branched evolutions}}
Several one- and two-evolution families are also branched evolution families. A branched evolution family has a member that can evolve into one of several different Pokémon. {{p|Eevee}} is the [[Eeveelution|most extreme example]], having eight different possible evolved forms. An example of this type of evolution family is below.

{| style="margin:auto; background: #E0F2B6; {{roundy|15px}}"
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{| style="margin:auto; text-align:center; background: #C4E673; {{roundy|15px}}"
|-
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| <small>Lowest</small>
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| <small>Middle</small>
|
| <small>Highest</small>
| rowspan="3" |
|-
| rowspan="2" style="background: #E0F2B6; {{roundy|1em}}" | [[File:043Oddish.png|96px]]<br>{{pcolor|Oddish|000}}
| rowspan="2" | <small>Trigger</small><br>→<br>{{color2|000|Level|Level 21}}+
| rowspan="2" style="background: #E0F2B6; {{roundy|1em}}" | [[File:044Gloom.png|96px]]<br>{{pcolor|Gloom|000}}
| <small>Trigger</small><br>→<br>{{color2|000|Leaf Stone}}
| style="background: #E0F2B6; {{roundy|1em}}" | [[File:045Vileplume.png|96px]]<br>{{pcolor|Vileplume|000}}
|-
| <small>Trigger</small><br>→<br>{{color2|000|Sun Stone}}</small>
| style="background: #E0F2B6; {{roundy|1em}}" | [[File:182Bellossom.png|96px]]<br>{{pcolor|Bellossom|000}}
|-
| colspan="5" |
|}
|}

===Methods of evolution===
{{main|Methods of evolution}}
In the [[core series]] games, Pokémon normally only evolve after one of three events:
*[[List of Pokémon that evolve at or above a certain level|Gaining a level]] (the most common trigger)
*{{cat|Pokémon that evolve by using an item|Being exposed to an item}} (such as an [[Evolution stone]])
*{{cat|Pokémon that evolve through trading|Being traded}}

Before [[Generation VIII]], the above were the only triggers to evolve Pokémon. However, Generation VIII introduced several new triggers, each used either by a single Pokémon species or by two.

In addition to the trigger, many Pokémon have one or more additional requirements for them to be able to evolve. These include:
* Having high [[friendship]]
* Holding a specific [[item]]
* The [[time]] of day
* Knowing a certain move or a move of a certain [[type]]
* Using a certain move a number of times
* The location the player is in, or the current [[weather]] in that location
* Having a certain Pokémon in the [[party]], or a certain [[type]] of Pokémon or even battling a certain Pokémon under special circumstances
* Being upside-down
* Being traded for a specific Pokémon
* Completing the main story, then heading to [[Luminous Cave]] after talking to {{p|Whiscash}}, if the Pokémon's requirements are met ([[Pokémon Mystery Dungeon: Red Rescue Team and Blue Rescue Team]])

Some evolutions are dependent on the Pokémon's [[gender]]. For example, only female {{p|Combee}} can evolve into {{p|Vespiquen}}—male Combee cannot evolve at all. Similarly, all {{p|Snorunt}} can evolve into {{p|Glalie}}, but only female Snorunt can evolve into {{p|Froslass}}. On the other hand, male {{p|Burmy}} can only evolve into {{p|Mothim}}, while female Burmy can only evolve into {{p|Wormadam}}.

For some evolutions into Pokémon with multiple forms, the form of the evolved Pokémon depends on how it evolved. For example, {{p|Wormadam}}'s cloak depends on the cloak {{p|Burmy}} had when it evolved. Similarly, the form of {{p|Toxtricity}} which {{p|Toxel}} evolves into depends on its [[Nature]].

===Abilities===
Normally, a Pokémon will retain its Ability slot upon evolution - if it had its species second Ability before evolving, it will still have its species second Ability after evolving (e.g. a {{p|Poochyena}} with {{a|Quick Feet}} will still have Quick Feet after evolving into {{p|Mightyena}}, but Poochyena with {{a|Run Away}} will instead have {{a|Intimidate}} after evolving.).

However, some Pokémon originally from the [[Generation III]] games can change Ability slot upon evolution. When Abilities were introduced in Generation III, some Pokémon only had one possible Ability but were given a second Ability in Generation IV. If a Pokémon whose species gained an Ability after Generation III is transferred to a Generation IV or {{gen|V}} game, it will initially retain its original Ability; upon evolving, however, its Ability slot will be recalculated and its Ability may change. When a Pokémon is transferred to Generation VI or [[Generation VII]], however, it will be locked into the appropriate slot for its current Ability.

===Animations===
In [[Pokémon Sun and Moon|Pokémon Sun, Moon]], [[Pokémon Ultra Sun and Ultra Moon|Ultra Sun, and Ultra Moon]], evolution into an [[Alolan form]] has a different theme and a different colored background during evolution. In [[Pokémon Scarlet and Violet]], if there is enough space around the player when a Pokémon evolves, the area that the player is in will be used as the background and the camera can be moved, but if there is not enough space, or the player is currently in [[Area Zero]], the game will cut to an abstract colored background with a fixed camera for the evolution like in previous games.

Uniquely, if {{p|Tandemaus}} [[level]]s up to level 25 or higher in a battle it was not sent out in, it will evolve into {{p|Maushold}} immediately after the battle ends with no animation.

{{incomplete|section|Missing BDSP, Gen V should not be a crop}}
{| class="roundy" style="margin:auto; text-align:center; background:#{{bulba color light}}; border: 3px solid #{{bulba color dark}}" cellpadding="5" cellspacing="3"
|-
| style="background:#FFF; {{roundytop|10px}}" | [[File:Evolution I.png]]
| style="background:#FFF; {{roundytop|10px}}" | [[File:Evolution II.png]]
| style="background:#FFF; {{roundytop|10px}}" | [[File:Evolution RS.png]]
| style="background:#FFF; {{roundytop|10px}}" | [[File:Evolution FRLGE.png]]
|-
! style="background:#{{Kanto color}}; {{roundybottom|10px}}" | {{color2|fff|Generation I}}
! style="background:#{{Johto color}}; {{roundybottom|10px}}" | {{color2|fff|Generation II}}
! style="background:#{{hoenn color}}; {{roundybottom|10px}}" | {{color2|fff|Pokémon Ruby and Sapphire Versions|RS}}
! style="background:#{{Kanto color}}; {{roundybottom|10px}}" | {{color2|fff|Pokémon FireRed and LeafGreen Versions|FRLG}}{{color2|fff|Pokémon Emerald Version|E}}
|-
| style="background:#FFF; {{roundytop|10px}}" | [[File:Evolution IV.png]]
| style="background:#FFF; {{roundytop|10px}}" | [[File:Evotag.png]]
| style="background:#FFF; {{roundytop|10px}}" | [[File:Evolution XY.png|x200px]]
| style="background:#FFF; {{roundytop|10px}}" | [[File:Evolution ORAS.png|x200px]]
|-
! style="background:#{{sinnoh color}}; {{roundybottom|10px}}" | {{color2|fff|Generation IV}}
! style="background:#{{unova color}}; {{roundybottom|10px}}" | {{color2|fff|Generation V}}
! style="background:#{{kalos color}}; {{roundybottom|10px}}" | {{color2|FFF|Pokémon X and Y|XY}}
! style="background:#{{hoenn color}}; {{roundybottom|10px}}" | {{color2|fff|Pokémon Omega Ruby and Alpha Sapphire|ORAS}}
|-
| style="background:#FFF; {{roundytop|10px}}" | [[File:Evolution VII.png|x200px]]
| style="background:#FFF; {{roundytop|10px}}" |  [[File:Alolan Evolution VII.png|x200px]]
| style="background:#FFF; {{roundytop|10px}}" |  [[File:Evolution PE.png|x200px]]
| style="background:#FFF; {{roundytop|10px}}" |  [[File:Evolution VIII.png|x200px]]
|-
! style="background:#{{alola color}}; {{roundybottom|10px}}" | {{color2|FFF|Pokémon Sun and Moon|SM}}{{color2|FFF|Pokémon Ultra Sun and Ultra Moon|USUM}}
! style="background:#{{alola color}}; color:#fff; {{roundybottom|10px}}" | {{color2|FFF|Pokémon Sun and Moon|SM}}{{color2|FFF|Pokémon Ultra Sun and Ultra Moon|USUM}}<br><small>({{color2|fff|Regional form|Alolan Forms}})</small>
! style="background:#{{kanto color}}; {{roundybottom|10px}}" | {{color2|FFF|Pokémon: Let's Go, Pikachu! and Let's Go, Eevee!|PE}}
! style="background:#{{galar color}}; {{roundybottom|10px}}" | {{color2|FFF|Pokémon Sword and Shield|SwSh}}
|-
| style="background:#FFF; {{roundytop|10px}}" |  [[File:Evolution LA.png|x200px]]
| style="background:#FFF; {{roundytop|10px}}" |  [[File:Evolution SV.png|x200px]]
! style="background:#FFF; {{roundytop|10px}}" |  [[File:Evolution Stadium.png|x200px]]
! style="background:#FFF; {{roundytop|10px}}" |  [[File:Evolution Stadium 2.png|x200px]]
|-
! style="background:#{{Hisui color}}; {{roundybottom|10px}}" | {{color2|FFF|Pokémon Legends: Arceus|LA}}
! style="background:#{{Paldea color}}; {{roundybottom|10px}}" | {{color2|FFF|Pokémon Scarlet and Violet|SV}}
! style="background:#{{Kanto color}}; {{roundybottom|10px}}" | {{color2|FFF|Pokémon Stadium|Stadium}}
! style="background:#{{Johto color}}; {{roundybottom|10px}}" | {{color2|FFF|Pokémon Stadium 2|Stadium 2}}
|-
|
! style="background:#FFF; {{roundytop|10px}}" |  [[File:Evolution Colosseum.png|x200px]]
! style="background:#FFF; {{roundytop|10px}}" |  [[File:Evolution XD.png|x200px]]
|-
|
! style="background:#{{Orre color}}; {{roundybottom|10px}}" | {{color2|FFF|Pokémon Colosseum|Colosseum}}
! style="background:#{{Orre color}}; {{roundybottom|10px}}" | {{color2|FFF|Pokémon XD: Gale of Darkness|XD}}
|}

==In the side series games==
===Pokémon Stadium series===
In [[Pokémon Stadium (English)|Pokémon Stadium]] and {{pkmn|Stadium 2}}, a Pokémon on a Game Boy or Game Boy Color game connected via [[Transfer Pak]] can evolve by fulfilling the conditions required for evolution, such as using an Evolution stone, trading a Pokémon, or using [[Rare Candy]] to level up a Pokémon to the required evolution, as in the main series.

Using items on a Pokémon or trading Pokémon are features available in devices from the {{OBP|Pokémon Lab|Stadium}}. In Pokémon Stadium 2, the Pokémon Lab is located in [[White City]].

These evolution features were not available in the original Japanese [[Pokémon Stadium (Japanese)|Pokémon Stadium]]. In particular, the evolution stones are not visible in the item list when selecting an item to use on a Pokémon. In this game, there is no Pokémon trade feature either.

===Pokémon Colosseum and XD: Gale of Darkness===
In {{g|Colosseum}} and {{pkmn|XD: Gale of Darkness}}, while evolution typically works as normal in the main series, [[Shadow Pokémon]] are incapable of evolving until they are [[Purification|purified]] and return to normal. Although Colosseum does not prevent Shadow Pokémon from evolving through evolution stone, no Pokémon evolve using one.

In Pokémon XD: Gale of Darkness, because the game does not have a [[time]] mechanic, the player's {{p|Eevee}} cannot evolve into {{p|Espeon}} or {{p|Umbreon}} through the same means as the core series games. Early in the game, the player can choose one of five [[Evolution item]]s, each of which will cause Eevee to evolve into a different Pokémon. Among these items are the exclusive [[Sun Shard]] and [[Moon Shard]], [[Key Item]]s that allow Eevee to evolve into Espeon or Umbreon, respectively, after it levels up with high [[friendship]].

==In the spin-off games==
===Hey You, Pikachu!===
Some missions in [[Hey You, Pikachu!]] involve {{p|Pikachu}} interacting with other Pokémon in certain ways to cause their evolution. In ''Caring for {{p|Caterpie}}'', the player and Pikachu supervise a group of Caterpie, who will evolve into {{p|Metapod}} and then {{p|Butterfree}} if treated well. In ''Field Trip'', Pikachu can water wild {{p|Oddish}} and {{p|Gloom}}, causing them to evolve into Gloom and {{p|Vileplume}}, respectively.

===Pokémon Conquest===
In {{g|Conquest}}, because the mechanics of [[level]]s, [[experience]], and [[friendship]] do not exist, Pokémon typically evolve once they reach a certain [[link]] threshold with their partnered [[Warrior]] or [[Warlord]]. Pokémon that normally evolve via high [[friendship]] in the main series games, such as {{p|Golbat}}, instead evolve after reaching a certain link percentage, usually between 60 and 70 percent. Pokémon that normally evolve starting at a specific level instead evolve when a certain [[statistic]] reaches a specific value. For example, {{p|Spheal}} evolves when its HP has reached a value of 138, which is partially determined by the link with its Warrior. Warriors with Pokémon that require an [[Evolution stone]] to evolve must equip themselves with that item and then perform an action that causes their link to improve, such as completing a battle.

===Pokémon Pinball series===
In [[Pokémon Pinball]] and [[Pokémon Pinball: Ruby & Sapphire]], once the Evolution Mode or Evo Mode starts and the player chooses a Pokémon to evolve, then three instances of the same {{pin|Evolution Item}} appear somewhere on the table, one at a time. The player is required to get the three repeated Evolution Items before the time runs up to evolve the chosen Pokémon. For instance, if the player attempts to evolve a {{p|Vulpix}} into {{p|Ninetales}}, they will be required to find three [[Fire Stone]]s on the table. Most available Pokémon evolve by [[experience]], which requires getting three "Ex" Evolution Items. If the Pokémon evolves by [[trade]] in the core series, then the player needs to get three [[Game Link Cable|Link Cable]] Evolution Items.

Additionally, the manual of Pokémon Pinball refers to the act of {{pin|upgrade|upgrading}} a Poké Ball (for instance, changing a [[Great Ball]] into an [[Ultra Ball]]) as "evolving" the Ball.

===Pokémon Mystery Dungeon series===
{{incomplete|section|Add a short summary of evolution in the Mystery Dungeon (the details in the main article)}}
{{main|Evolution (Mystery Dungeon)}}

===Pokémon Snap===
In {{g|Snap}}, the player can interact with Pokémon in certain ways that will make them evolve.
* At the end of [[Pokémon Island]]'s [[Pokémon Island Tunnel|Tunnel]] stage, if the player lures the three {{p|Magnemite}} together, they will fuse and become a {{p|Magneton}}.
* At the end of [[Pokémon Island Volcano|Volcano]] stage, if the player knocks a {{p|Charmeleon}} into the crater of magma it is circling, it will evolve and come out as a {{p|Charizard}}.
* Luring a {{p|Slowpoke}} to a fishing area along the [[Pokémon Island River|River]] will prompt it to fish with its tail, hooking a {{p|Shellder}}, causing it to evolve into {{p|Slowbro}}.
* Hitting the {{p|Grimer}} in the [[Pokémon Island Cave|Cave]] three times with [[Pester Ball]]s will cause it to evolve into {{p|Muk}}.
* In the [[Pokémon Island Valley|Valley]], completing a series of events will cause a {{p|Magikarp}} to evolve into {{p|Gyarados}}.

===Pokémon GO===
[[File:Pokémon GO evolution.PNG|thumb|150px|Caterpie evolving in Pokémon GO]]
In [[Pokémon GO]], the player can evolve Pokémon by spending {{OBP|Candy|GO}}. The Candy cost for evolution varies between Pokémon species, ranging from 12 (to evolve {{p|Caterpie}} into {{p|Metapod}}) to 400 (to evolve {{p|Magikarp}} into {{p|Gyarados}} or {{p|Meltan}} into {{p|Melmetal}}).
:''See also: [[List of Pokémon by evolution family (GO)]]''

In addition to Candy, some Pokémon have additional requirements to evolve. These additional requirements include:
* Random evolution — For some Pokémon with multiple evolutions, the one it will evolve into is determined at random. These include:
** {{p|Eevee}} → {{p|Vaporeon}}, {{p|Jolteon}}, or {{p|Flareon}}
** {{p|Wurmple}} → {{p|Silcoon}} or {{p|Cascoon}}
** {{p|Clamperl}} → {{p|Huntail}} or {{p|Gorebyss}}
** {{p|Cherubi}} → Overcast Form or Sunshine Form {{p|Cherrim}}
* Item requirements
** Introduced with Generation II: {{bag/GO|Sun Stone}} [[Sun Stone]], {{bag/GO|Metal Coat}} [[Metal Coat]], {{bag/GO|King's Rock}} [[King's Rock]], {{bag/GO|Upgrade}} [[Upgrade]], {{bag/GO|Dragon Scale}} [[Dragon Scale]]
** Introduced with Generation IV: {{bag/GO|Sinnoh Stone}} Sinnoh Stone
** Introduced with Generation V: {{bag/GO|Unova Stone}} Unova Stone
* {{IV}} requirements
** {{p|Tyrogue}} evolves into {{p|Hitmonlee}}, {{p|Hitmonchan}}, or {{p|Hitmontop}} if its highest IV is for Attack, Defense, or HP, respectively.
* [[Buddy Pokémon]] requirements — Some Pokémon require players to complete {{OBP|Research|GO}}-like tasks with it as their Buddy Pokémon to evolve.
** Only {{p|Espeon}} and {{p|Umbreon}} must be set as the player's current buddy to evolve
* [[Gender]] requirements — Some evolution paths are only possible if the Pokémon is of a specific gender. These requirements are the same in Pokémon GO as they are in the core series.
* [[Lure Module]] requirements — Some Pokémon require players to be in range of a special type of lure to evolve. These include:
** {{bag/GO|Mossy Lure Module}} [[Mossy Lure Module]]
** {{bag/GO|Glacial Lure Module}} [[Glacial Lure Module]]
** {{bag/GO|Magnetic Lure Module}} [[Magnetic Lure Module]]
** {{bag/GO|Rainy Lure Module}} [[Rainy Lure Module]]
* [[Weather#GO|Weather]] requirements — {{p|Sliggoo}} can only evolve into {{p|Goodra}} when it's raining (unless a [[Rainy Lure Module]] is present)
* [[Time]] requirements — Some Pokémon can only evolve, or evolve into different Pokémon or forms depending on time, depending on whether it is day or night. {{p|Ursaring}} can only evolve into {{p|Ursaluna}} during a full moon.
* [[Trade (GO)#Trade Evolution|Trade Evolution]] — Some Pokémon will cost zero Candy to evolve if it has been traded.
* Nicknames — If {{p|Eevee}} has a particular [[nickname]], then once per nickname, it is guaranteed to evolve into the following, regardless of other conditions:
**'''[[Eevee brothers#Rainer|Rainer]]''' → Vaporeon
**'''[[Eevee brothers#Sparky|Sparky]]''' → Jolteon
**'''[[Eevee brothers#Pyro|Pyro]]''' → Flareon
**'''[[Sakura]]''' → Espeon
**'''[[Kimono Girl#In the anime|Tamao]]''' → Umbreon
**'''[[Eevee users#Leafeon User Linnea|Linnea]]''' → Leafeon
**'''[[Eevee users#Glaceon User Rea|Rea]]''' → Glaceon
**'''[[Eevee users#Sylveon User Kira|Kira]]''' → Sylveon

===Pokémon Duel===
[[File:Pokémon Duel evolution.png|thumb|150px|Evolution in Pokémon Duel]]
In [[Pokémon Duel]], before a figure can evolve, the player must own both the pre-evolved figure and the evolved figure. The pre-evolved Pokémon must be set in the deck, and the evolved Pokémon must be set as that figure's evolution. During a duel, the pre-evolved Pokémon will be able to evolve when it wins a battle and either knocks out or displaces its battle opponent. Pokémon can also be evolved by the effects of Attacks, Abilities, and Plates. An evolved figure (including Mega Evolution) will receive +10 to its White and Gold Attacks and +1 ★ to its Purple Attacks. This boost stacks for a Pokémon that has evolved more than once.

===Pokémon Masters EX===
In [[Pokémon Masters EX]], Pokémon from certain [[sync pair]]s are allowed to evolve through sync pair stories, where they must win a 1-on-1 battle. These sync pair stories become available once the sync pair reaches a specific level, and can be played at the cost of evolutionary items. Evolution requires Evolution Shard ×5 and the sync pair to be at least level 30; if the Pokémon can evolve again, another evolution requires Evolution Crystal ×3 and the sync pair to be at least level 45. Evolved Pokémon will have increased stats, and in some cases their moves will change. If a Pokémon reaches its final evolutionary stage, then it also receives a new [[sync move]].

:''See also: [[Pokémon Masters EX#Sync Pair Stories|Pokémon Masters EX → Sync Pair Stories]]''
{| class="roundy" style="margin:auto; background:#{{orange color}}; border:3px solid #{{gold color}}; text-align:center"
|-
! style="background-color:#{{gold color light}}; {{roundytl}}" | Evolution
! style="background: #{{gold color light}}" | Items required
! style="background: #{{gold color light}}; {{roundytr}}" | Level required
|- style="text-align:center; background: #FFF"
| First stage
| [[File:Masters Evolution Shard.png|32px|link=]] Evolution Shard ×5
| Level 30
|- style="text-align:center; background: #FFF"
| style="{{roundybl}}" | Second stage
| [[File:Masters Evolution Crystal.png|32px|link=]] Evolution Crystal ×3
| style="{{roundybr}}" | Level 45
|}

Pokémon that are hatched from [[Pokémon Egg]]s can be evolved using Evolution Shards and Evolution Crystals through the Affinity menu. Their level requirements are the same as standard sync pairs, but their item costs are lower, at just Evolution Shard ×1 or Evolution Crystal ×1. However, egg sync pairs do not receive sync pair stories, and do not receive a new sync move once fully evolved.

:''See also: [[Egg Pokémon (Masters)]]''
{| class="roundy" style="margin:auto; background:#{{orange color}}; border:3px solid #{{gold color}}; text-align:center"
|-
! style="background-color:#{{gold color light}}; {{roundytl}}" | Evolution
! style="background: #{{gold color light}}" | Items required
! style="background: #{{gold color light}}; {{roundytr}}" | Level required
|- style="text-align:center; background: #FFF"
| First stage
| [[File:Masters Evolution Shard.png|32px|link=]] Evolution Shard ×1
| Level 30
|- style="text-align:center; background: #FFF"
| style="{{roundybl}}" | Second stage
| [[File:Masters Evolution Crystal.png|32px|link=]] Evolution Crystal ×1
| style="{{roundybr}}" | Level 45
|}

{{-}}

===Pokémon UNITE===
In {{g|UNITE}}, evolution is a major game mechanic. [[List of Pokémon in Pokémon UNITE|Unite Licenses]] featuring Pokémon that can evolve start each game at their lowest evolutionary stage that is not a [[Baby Pokémon]].({{p|Pikachu}} does not evolve, {{p|Duraludon}} does not evolve as its evolution did not exist when it was added to UNITE.) When Pokémon reach certain [[level]]s, they evolve after either [[goal zone|scoring at a goal zone]] or defeating another Pokémon in battle. "Defeating another Pokémon" can be done either through directly [[Knock out (verb)|Knocking Out]] a Pokemon or getting an [[Knock out (verb)|Assist]] for contributing to Knocking Out a Pokémon on the opposing team. The level requirement varies by the species, and a Pokémon which can evolve at a certain level but has not evolved yet is unable to gain additional levels until it evolves. (Any [[experience|Exp. Points]] gained before evolving at that level are applied after evolution.) While evolving, Pokémon are briefly [[Condition (UNITE)|invincible]].

Evolving increases the Pokémon's stats, and Pokémon usually learn a new [[move]] when they evolve. Most [[Holowear]] only applies to a Pokémon's final evolution, but some Holowear modifies the appearance of prior evolutionary stages. Some Pokémon, such as {{p|Kubfu}} and {{p|Scyther}}, choose their evolutionary line by choosing to learn specific moves. As a result of this, these Pokémon only evolve after learning the relevant move.

[[Wild Pokémon]] which do not appear as part of groups with their evolved form evolve during the Final Stretch portion of each Unite Battle. After evolving, they hold more [[Aeos energy]] than their unevolved forms. (However, wild Pokémon that do not evolve do still hold more Aeos energy during the Final Stretch, so this may not be linked to evolution.)

===Eevee × Tamagotchi===
{{incomplete|section|How is the evolution outcome selected? Is the outcome randomly selected or can it be affected by the player? If random, are there different evolution chances for each outcome?}}
In [[Eevee × Tamagotchi]], the player's virtual pet {{p|Eevee}} evolves 72 hours after it has hatched. There are eleven possible outcomes, including its eight standard evolutions ({{p|Sylveon}}, {{p|Vaporeon}}, {{p|Jolteon}}, {{p|Flareon}}, {{p|Leafeon}}, {{p|Glaceon}}, {{p|Espeon}}, and {{p|Umbreon}}) and three additional forms ([[Serena's Sylveon|Costume Eevee]], Team Rocket Eevee, and {{p|Ditto}}).

===e-Reader games===
Some [[e-Reader]] applications feature Pokémon evolution:

In [[Machop At Work]], if the player character {{p|Machop}} smashes 50-99 rocks, it evolves into {{p|Machoke}} at the end. If the player manages to smash all 100 rocks, the Machop evolves into Machoke, and then again into {{p|Machamp}}.

In {{OBP|Metronome|e-Reader}}, one of the short animations features {{p|Clefairy}} evolving into {{p|Clefable}}.

===Pokémon Zany Cards===
In [[Pokémon Zany Cards]], if the player matches all three cards of a [[Johto]] [[first partner Pokémon]] and its evolutions, the game dialogue indicates that this Pokémon has evolved.

Specifically, it is possible to match:
* {{p|Chikorita}}, {{p|Bayleef}}, and {{p|Meganium}} cards
* {{p|Cyndaquil}}, {{p|Quilava}}, and {{p|Typhlosion}} cards
* {{p|Totodile}}, {{p|Croconaw}}, and {{p|Feraligatr}} cards

This is seen as the text "Evolved" appears during the card matching animation. At the end of the current card game, "Chikorita evolved", "Cyndaquil evolved", and/or "Totodile evolved" appear if applicable when counting the player scores.

===Pokémon Masters Arena===
In [[Pokémon Masters Arena]], the [[Mudkip's Bingo]] minigame includes 36 possible questions about the Pokémon evolutions available as of [[Generation III]]. In these questions, "2nd evolution" and "3rd evolution" refer to the second and third stages, respectively. Some examples:

* "What is the 3rd evolution of {{p|Aron}}?" (Answer: {{p|Aggron}})
* "What is the 2nd evolution of {{p|Magikarp}}?" (Answer: {{p|Gyarados}})

===Pokémon Team Turbo===
In [[Pokémon Team Turbo]], the [[Charizard's Crossword Challenge]] is a crossword minigame about the Pokémon evolutions available as of [[Generation III]], except the evolutionary lines of {{p|Nidoran♀}} and {{p|Nidoran♂}} and some branched evolutions are missing from this game.

In this game, "2nd Evolution" and "3rd Evolution" refer to the second and third evolutionary stages, respectively. Some possible in-game examples:

* "{{p|Whiscash}} evolves from ... ?" (Answer: {{p|Barboach}})
* "2nd Evolution of {{p|Ponyta}} ?" (Answer: {{p|Rapidash}})
* "3rd Evolution of {{p|Whismur}} ?" (Anser: {{p|Golem}})

If a Pokémon has [[List of Pokémon with branched evolutions|branched evolutions]], only the first evolution in the [[List of Pokémon by National Pokédex number|National Pokédex order]] is accepted as the correct answer. For instance:

* "3rd Evolution of {{p|Oddish}} ?" (Answer: {{p|Vileplume}})
* "2nd Evolution of {{p|Eevee}} ?" (Answer: {{p|Vaporeon}})

==In the anime==
[[File:Slowking evolution anime.png|thumb|220px|{{p|Slowpoke}} and {{p|Shellder}} evolving into {{p|Slowking}} in ''[[EP260|A Crowning Achievement]]'']]
[[File:Kakuna evolution anime.png|thumb|left|220px|{{p|Kakuna}} evolving into {{p|Beedrill}} in ''[[EP004|Challenge of the Samurai]]'']]
[[File:Shelmet evolution Best Wishes.png|thumb|220px|Evolution in ''[[Pokémon the Series: Black & White]]'']]
In the {{pkmn|anime}}, Evolution happens in much the same way as it does in the {{pkmn|games}}; though [[level]]-based evolutions and [[trade]]-based evolutions do not occur using those methods, there are similarities in the way they come about. For example, {{an|Misty}}'s {{p|Poliwhirl}} evolved into {{TP|Misty|Politoed}} because it found {{Ash}}'s [[King's Rock]] and was holding it when Misty sent it out, while in the games it is required that Poliwhirl be traded while holding the King's Rock for the evolution to take place (it should be noted that Poliwhirl had been through a machine in connection with it being healed at the Pokémon Center while holding the item). When a {{p|Beedrill}} attacked Ash's {{p|Metapod}}, it caused a crack to appear on its shell, which {{AP|Butterfree}} came out of (although later examples of Metapod evolving into Butterfree were treated as the more familiar form of evolution used in the anime).

Additionally, a difference can be seen in the fact that Pokémon evolve ''during'' a battle, as opposed to after it. Pokémon may also evolve when they are needed to, for an extra boost of power or gaining new abilities, instead of after a set amount of training, such as when Ash's {{p|Charmeleon}} evolved into {{AP|Charizard}} to battle an Aerodactyl just three episodes after it evolved from Charmander, where the game requires Charmeleon to grow twenty levels to reach that stage. In addition, Pokémon can sometimes choose not to evolve, even if they evolve by a 'natural' method such as leveling up. This was shown when [[Ash's Bulbasaur]] refused to evolve during an evolution festival for all Bulbasaur to evolve in ''[[EP051|Bulbasaur's Mysterious Garden]]''. It appears that Evolution has emotional implications for Pokémon - some Pokémon, such as Team Rocket's {{MTR}}, dislike their evolved forms, while others such as [[Ash's Pikachu]] simply want to prove they can be powerful without evolving. Conversely, when Pokémon do evolve, this can often be linked with an experience that causes them to mature emotionally or deal with an emotional issue, such as when the {{p|Poochyena}} in ''[[AG011|A Bite to Remember]]'' evolved, or the {{p|Paras}} in ''[[EP044|The Problem With Paras]]''. Poochyena, for some reason, had an aversion to using the move {{m|Bite}}, while Paras was extremely timid and weak in battle. Both of them evolved shortly after overcoming these issues. In ''[[JN001|Enter Pikachu!]]'', it was revealed that Ash's Pikachu evolved from a {{p|Pichu}} in the wild during a silent, tearful parting with a pack of {{p|Kangaskhan}} that had acted as his surrogate family. On the other hand, evolution is not always linked with maturity or the age of a Pokémon where the episode ''[[AG007|Tree's a Crowd]]'' features an elderly {{p|Treecko}}. Another example is in ''[[AG161|Odd Pokémon Out!]]'' where even after evolution, Ash's {{AP|Donphan}} still acted quite playful as it did when it was a {{p|Phanpy}}.

When a Pokémon begins to evolve, it will be enveloped by a brightly colored light while slowly changing form; in the [[original series]], ''[[Pokémon the Series: Ruby and Sapphire]]'', and ''[[Pokémon the Series: Diamond and Pearl]]'', the light is simply white in color while in ''[[Pokémon the Series: Black & White]]'' and ''[[Pokémon the Series: XY]]'', the light is blue in color. In ''[[Pokémon the Series: Sun & Moon]]'', different evolution effects were introduced depending on which Pokémon is evolving; for instance, when {{an|Mallow}}'s {{p|Bounsweet}} evolved into {{TP|Mallow|Steenee}}, it shined pink and the physical changes that came with the evolution could be seen happening. Although some Pokémon returned to the old-style evolution effect (for instance, {{p|Sandygast}} into {{p|Palossand}} and {{p|Mareanie}} into {{p|Toxapex}}), others have been seen with completely new effects (notably {{AP|Rockruff}} and {{AP|Litten}}).

For a list of all evolutions that Pokémon belonging to the main cast have undergone, see the [[list of anime Pokémon by evolution]].

==In the manga==

{{incomplete|section|Shouldn't this go through evolution in each major manga adaption and mention any minor ones?}}

Evolution is portrayed differently across manga adaptations. For example, in [[Pokémon Pocket Monsters]], Pokémon are capable to evolve whenever they wish, and they revert to previous evolution stages. It seems that Pokémon can skip evolution stages as well, as is the case with [[Green's Charizard|Green's Charmander]] when it skips its {{p|Charmeleon}} stage and evolves directly into {{p|Charizard}}.

==In the TCG==
'''Evolution''' in the [[Pokémon Trading Card Game]] is the process of playing an '''Evolution Pokémon''' (also known as an '''Evolution card'''). Evolution Pokémon cards, which include but are not limited to {{TCG|Stage 1 Pokémon}} and {{TCG|Stage 2 Pokémon}}, have sections listing which {{TCG|Pokémon}} they evolve from. Normally, Evolution Pokémon cards depict Pokémon that evolve from other Pokémon in the [[core series]]. They typically cannot be played without evolving a Pokémon that is already in play.

To evolve a Pokémon, a player puts an Evolution Pokémon on top of a Pokémon that is in play that has the name of the card that the Evolution Pokémon "evolves from". In most cases, the name being checked for is the name of the prior evolution of the Pokémon depicted on the Evolution card. However, this is not always the case, especially for variations on standard Pokémon card classifications. After a Pokémon evolves, the new card is considered to be an '''evolved Pokémon''', meaning that it has one or more Pokémon placed underneath it that it evolved from. 

When a Pokémon evolves, any [[Appendix:Glossary (TCG)#Damage|damage counters]] that were on the prior evolved form remain on the evolved Pokémon, and so are any attached cards like {{TCG|Energy}} and {{TCG|Pokémon Tool}}s. However, it recovers from all {{TCG|Special Conditions}}, and any other assorted effects are also cleared off the Pokémon. (Note, however, that markers that are not associated with Special Conditions stay on the Pokémon, along with their associated effects.) The characteristics of the prior evolution, such as {{TCG|type}}, {{TCG|weakness}}, {{TCG|HP}}, and {{TCG|Retreat Cost}},  no longer have any effect on the evolved Pokémon. They are overridden by the characteristics of the evolution card, which generally increases a Pokemon's HP and Retreat Cost and allows for its typing to change through evolution. This also means that evolved Pokémon cannot use any of the {{TCG|attack}}s, {{TCG|Ability|Abilities}}, and other capabilities that the prior evolution had, but also means evolved Pokémon benefit from usually having stronger attacks and more useful Abilities compared to their prior evolutions. Certain effects can care about if a Pokémon has evolved, if a Pokémon has evolved on a specific turn, what Pokémon it evolved from, or a combination of these criteria. Some effects can allow an evolved Pokémon to use attacks from its prior evolutions. 

The prior evolutions of a Pokémon are still considered to be part of that Pokémon. As such, if an evolved Pokémon leaves play moves to another zone, its prior evolutions are moved along with that card. The cards, however, return to being separate objects.

During each player's turn, that player can play any number of Evolution cards from their hand to evolve their Pokémon. Certain other effects can cause an Evolution card to be played and evolve a Pokémon, such as that of {{TCG ID|XY|Evosoda|116}}. However, Pokémon cannot be evolved on the first turn that each player takes in a game or on the first turn they come into play. As evolution counts as entering play, Pokémon cannot evolve on the same turn they have previously evolved or [[Devolution|devolved]]. However, some effects exist which can circumvent these rules. The most common of them are the Adaptive Evolution and Evolutionary Advantage [[Ability (TCG)|Abilities]]. The Ancient Trait [[Ancient Trait|Δ Evolution]] is a mechanic from [[Roaring Skies]] which allows this as well.

===Stages of evolution===
There are three main stages of evolution in the TCG along with its [[Pokémon (TCG)#Evolutionary stages|variants]]:
*{{TCG|Basic Pokémon}}, which represent the most basic evolutionary stage. Pokémon that evolve from a Pokémon released in a later generation, such as {{p|Electabuzz}} or {{p|Pikachu}}, are usually Basic Pokémon, despite being the second Pokémon in their evolutionary lines. Their pre-evolutions, like {{p|Elekid}} and {{p|Pichu}}, are also usually Basic Pokémon.  
*{{TCG|Stage 1 Pokémon}}, which represent the middle or final evolutionary forms of certain Pokémon and is the basic stage of [[Fossil]] Pokémon in some sets. They usually evolve from Basic Pokémon.
*{{TCG|Stage 2 Pokémon}}, which represent the final evolutionary forms of certain Pokémon. They usually evolve from Stage 1 Pokémon.

In the [[Pokémon Trading Card Game#Neo Series|Neo Series]] and the [[Pokémon Trading Card Game#e-Card Series|e-Card series]], {{TCG|Baby Pokémon}} was a stage that [[Baby Pokemon]], excluding {{TCG|Togepi}}, used. Current sets designate Pokémon that used to have the Baby stage as Basic Pokémon.

In the [[Pokémon Trading Card Game#Black & White Series|Black & White Series]] and the [[Pokémon Trading Card Game#XY Series|XY Series]], {{TCG|Restored Pokémon}} was a stage that [[Fossil Pokémon|Pokémon which are restored from Fossils]] used. Prior sets and later sets designate Pokémon that have had this stage as Stage 1 Pokémon.

Only {{TCG|Baby Pokémon}} and Basic Pokémon may be placed onto the Bench when setting up to play and during a game. Additionally, {{TCG|Pokémon LEGEND}}, when their requirements are met, can be played from hand to the Bench during a game but not when setting up. Other stages of Pokémon have a restriction preventing them from being played directly onto the Bench, usually because they are considered to be Evolution cards or Evolution Pokémon and cannot enter play without evolving from a Pokémon that is in play.

The stage of evolution of a Pokémon is placed conspicuously on every Pokémon card, though this placement differs among the generations of cards.

===Ability to evolve===
A Pokémon card in a player's hand must specifically state that it evolves from a card in play on the player's bench. For example, {{TCG ID|Team Rocket|Dark Blastoise|3}} states on the card "'''Evolves from Dark Wartortle'''". This means that any card named Dark Wartortle may be evolved into Dark Blastoise. However, a card simply named Wartortle cannot. Likewise, Pokémon such as {{TCG ID|EX Emerald|Rhyhorn|62}} cannot be evolved into a Pokémon that says on it "'''Evolves from Team Magma's Rhyhorn'''". Some effects are designed to circumvent this, allowing a Pokémon to evolve into a second Pokémon even though the second Pokémon does not evolve from the first Pokémon. Examples of this include the additional text on [[Buried Fossil (Skyridge 47)|Buried Fossil]] and the Baby Evolution [[Poke-Power]] found on some {{TCG|Baby Pokémon}}. The [[Ditto Marker]] used in the alternate formats of Pack Battle and Ditto Draft allows any Basic Pokemon without a [[Rule Box]] to evolve into any {{TCG|Stage 1 Pokémon}} or {{TCG|Stage 2 Pokémon}}.

Pokémon cards from different sets may evolve into one another. For example, {{TCG ID|Neo Destiny|Dark Crobat|2}} can evolve from either {{TCG ID|Team Rocket|Dark Golbat|7}} from {{TCG|Team Rocket}} or {{TCG ID|EX Team Rocket Returns|Dark Golbat|34}} from {{TCG|EX Team Rocket Returns}}.

===Unevolved Pokémon===
An '''unevolved Pokémon''' is a {{TCG|Pokémon}} that has not evolved. In most cases, {{TCG|Basic Pokémon}} are the only entities that are unevolved Pokémon, and {{TCG|Stage 1 Pokémon}} and {{TCG|Stage 2 Pokémon}} are evolved Pokémon, but there are exceptions that go both ways. Some variations on Pokémon cards are unevolved non-Basic Pokémon. Examples of these include {{TCG|Pokémon V-UNION}} and {{TCG|Restored Pokémon}}. More critically, there are methods by which an Evolution cards can enter play without evolving from another Pokémon, such as through the effects of {{TCG|Maxie}} or {{TCG ID|Battle Styles|Orbeetle|65}}'s Evomancy attack. An Evolution card entering play in such a manner has no previous evolutions, therefore making it a unevolved Pokémon while still being an Evolution card. The main effect this affects is devolution effects. Evolved Pokémon can be devolved, but unevolved Pokémon cannot even if they are Evolutuon cards.

===Devolution===
{{main|Devolution#In the TCG|Devolution}}
'''Devolution''' is essentially evolution in reverse. One or more of the Evolution cards on top of a devolving Pokémon are removed from that Pokémon and put in another zone. This leaves one of the lower stages of that Pokémon visible, and that prior card is now in play. As with evolution, damage and attached cards are retained, while Special Conditions and effects are removed. After devolving, a Pokémon cannot evolve on the same turn. Notably, only evolved Pokémon can be devolved. Unevolved Pokémon, even ones that are Evolution cards, are unable to be devolved.

Devolution can not be done normally as part of a turn. It can only be performed by following the effects of certain cards.

==In relation to the real world==
Evolution in Pokémon is closer to the real-life phenomenon of {{wp|metamorphosis}} rather than {{wp|evolution|actual evolution}}, as real-life evolution happens to populations over a long period of time, not to individuals. In the Pokémon Adventures manga, it is mentioned that Pokémon Evolution is an entirely separate phenomenon from the normal process of evolution, and is a mysterious ability exclusive to Pokémon that is still not fully understood. In [[Pokémon Super Mystery Dungeon]], it is described in the health class at the school in [[Serene Village]] as being akin to {{wp|puberty}}, where a Pokémon's body rapidly grows larger along with other changes that bring it closer to adulthood.

Real life evolution still appears to have happened in the Pokémon universe and is mentioned or referenced in multiple media. Different Pokémon lines are related to each other evolutionarily, but not necessarily all of them, as some are man-made or alien in origin. There is also [[Sinnoh myths#Sinnoh Folk Tales|Sinnoh Folk Story 3]] which claims there was a time there was no difference between Pokémon and humans. Many Pokémon can interbreed based on their [[Egg groups|egg group]] pointing to a potential relation. [[Pocket Monsters Encyclopedia]] describes how Pokémon adapt to different environments and uses [[Cinnabar Island]] and its unique ecosphere as an example which is thought to have strongly influenced its native Pokémon, like {{p|Growlithe}}, and now is famous as a home to many {{t|Fire}}-type Pokémon. Starting with the [[Generation VII]] games, each new region features new forms of previously known Pokémon called [[regional form]]s which look different, most of the time have different types, and sometimes evolve into different species.

Other mentions:
* {{p|Drowzee}} is said to be descended from the legendary beast Baku, and is also thought to share common ancestry with {{p|Munna}} and {{p|Musharna}}.
* {{p|Omastar}}'s heavy shell is thought to be the reason this ancient Pokémon died out. It's apparently a distant ancestor of {{p|Octillery}}.
* {{p|Shellos}} and {{p|Gastrodon}}'s cells indicate that they had shells covering their backs in the ancient past, and they are related to {{p|Shellder}} and {{p|Cloyster}}.
* {{p|Seismitoad}} is a related species to {{p|Croagunk}} and {{p|Toxicroak}}.
* {{p|Skorupi}} shares a common ancestor with {{p|Sizzlipede}}.
* {{p|Archen}} is believed to be a progenitor of bird Pokémon, although some of the latest research suggests this may not be the case.
* {{p|Tirtouga}} is reputed to be the ancestor of most turtle Pokémon, it lived in warm seas approximately 100 million years ago.
* {{p|Anorith}} is said to be an ancestor of modern bug Pokémon.
* {{p|Zubat}}'s eyes and vision have atrophied over time in favor of echolocation.
* {{p|Relicanth}} has remained unchanged for 100 million years. Similarly, {{p|Kabuto}} has not changed for 300 million years.
* In the distant past, {{p|Kabutops}} began transitioning to a terrestrial lifestyle, but it was not able to fully adapt before it became extinct.
* {{p|Bagon}}'s belief that it will be able to fly one day is apparently the influence of information carried in its genes. Some theories suggest that its behavior affected its evolution.
* {{p|Wailmer}} is descended from a land-dwelling ancestor. It also appears to be related to {{p|Cetoddle}}, whose ancestors at some point transitioned from the ocean back to land.

==Trivia==
* Of all non-{{pkmn2|Legendary}} and non-[[Mythical Pokémon]], 87.65% <!--(824 - 8) / (1,025 - 94)--> are part of an evolutionary line.
** Counting Legendary and Mythical Pokémon, 80.39% <!--824 / 1,025--> of all Pokémon are part of an evolutionary line.
* Out of all Pokémon that evolve by leveling up, {{p|Larvesta}} evolves later than any other unevolved Pokémon, starting at level 59.
* Of all the Pokémon that evolve by leveling up, {{p|Hydreigon}} evolves from its {{p|Zweilous|pre-evolution}} later than any other Pokémon, starting at level 64.
* [[Generation IX]] introduced the most non-Legendary and non-Mythical Pokémon that do not evolve, with 29.
** Generations {{gen|IV}} and {{gen|VI}} are tied for the fewest, with just five each.
* All species of Pokémon in {{g|Legends: Arceus}} can be caught without using evolution, since the Daybreak update. Only the [[Alolan form]] of {{p|Ninetales}} cannot be caught and must be evolved from the {{pkmn2|gift}} Alolan {{p|Vulpix}}.

==In other languages==
{{langtable|color=C4E673|bordercolor=E0F2B6
|zh_yue=進化 ''Jeunfa''
|zh_cmn=進化 / 进化 ''Jìnhuà''
|cs=Evoluce<br>Vývin
|da=Udvikling
|fi=Evoluutio<br>Muodonmuutos<br>Kehitys
|fr_ca=Développement{{tt|*|Diamond manual}}
|fr_eu=Évolution
|de=Entwicklung
|gr=Εξέλιξη ''Exélixe''
|hi=विकास {{tt|''Vikaas''|Evolution}}
|hu=Evolúció
|id=Evolusi
|it=Evoluzione
|ko=진화 ''Jinhwa''
|ms=Evolusi
|pl=Ewolucja{{tt|*|EP066 - present}}<br>Przemiana{{tt|*|EP044, EP109, EP165, DP105}}<br>Transformacja{{tt|*|EP046-EP066, EP091-EP101}}<br>Przekształcenie{{tt|*|EP014, EP040, EP051}}
|pt=Evolução
|ru=Эволюция ''Evolyutsiya''
|es=Evolución
|sv=Utveckling<br>Förvandling{{tt|*|S01}}
|th=พัฒนาร่าง ''Phatnarang''<br>วิวัฒนาการ ''Wiwatthanakan''
|tr=Evrim
|vi=Tiến hóa
}}

==See also==
{|width=100%|
| style="vertical-align:top" width=50% |
* [[Methods of evolution]]
* [[Evolution prevention]]
* [[List of Pokémon by evolution family]]
* [[List of cross-generational evolution families]]
* [[List of Pokémon with form differences]]
| style="vertical-align:top" width=50% |
* [[Evolution item]]
* [[Mystery Dungeon evolutionary items]]
* {{cat|Episodes in which a main character's Pokémon evolves}}
* {{cat|Episodes in which a main character's Pokémon refuses to evolve}}
* [[Pokémon aging]]
|}

==References==
<references/>

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{{training}}

[[Category:Pokémon world]]
[[Category:Terminology]]
[[Category:Game mechanics]]

[[de:Entwicklung]]
[[es:Evolución]]
[[fr:Évolution]]
[[it:Evoluzione]]
[[ja:進化]]
[[zh:进化]]