Dodrio is a large, wingless, three-headed avian Pokémon. Each head has a long, sharp beak and a black feathered, V-shaped crest. It has bristly brown feathers covering its heads and upper body, while its lower half has a smooth layer of black feathers. Its wingless body rests on two long and slender, but powerful legs with feet that have three toes in front and one in back. There are sharp claws on each toe. Males have black necks, whereas females have brown necks; both genders have brown legs.
Each head has its own working brain and distinct personality, representing and expressing sorrow, anger and joy respectively. Despite being separate, it has the innate ability to use all three of its brains to collect data, formulate and then execute complex plans and strategies. However, on occasion it may over think and analyze a situation, causing itself to be immobilized and unable to carry out any action whatsoever. Being separate individuals on the same body, the heads are well known to squabble with one another. Often they will continue to bicker until they, or at least one of the heads gets to eat. This satisfies the other two heads, quelling them and temporarily ending their infighting. Another adaption it has acquired is the ability to have at least one head alert at all times. While two are asleep, one will stand guard and look out for any approaching enemies. Extreme caution is advised when all three heads are facing separate directions. It is in this state that it is the most dangerous, and going near it may result in a severe pecking.
Along with its three heads, it has three sets of hearts and lungs as well. This allows it to efficiently oxygenate and pump blood throughout its body, thus giving it increased endurance to run vast distances without rest. It is especially prone to race vigorously across grassy plains, even in arid seasons with little rainfall.
Dodrio first appeared in Pokémon - I Choose You!, where it has a brief appearance, while shouting its cry to the rising sun like a rooster, notably as the first Pokémon seen in real life in the anime (all Pokémon that had appeared beforehand in the episode were either on TV, in dreams, or not real).
Tracey was seen riding a Dodrio in a flashback in The Lost Lapras while Pokémon watching. However, it is unknown whether Dodrio belonged to him or if it was simply borrowed.
A Dodrio appears in the tenth chapter, Panic at the Cherry Blossom Festival. In this chapter, a Dodrio gets drunk on amazake and causes havoc during a cherry blossom festival which Hazel and her friends attend.
Yellow's Doduo evolved into Dodrio in The Might of... Metapod?! in the battle against Lance. He was seen again, managing to save Pika and Chuchu from a surfing accident. He continues to be her main method of transportation using his quick speed.
In Old Ultima Puts Them to the Test, Ultima had Red and Blue ride on two Dodrio for the Path of Catching trial. Outside the trials, it is not known if the Dodrio are on her official team.
Watch out if Dodrio's three heads are looking in three separate directions. It's a sure sign that it is on its guard. Don't go near this Pokémon if it's being wary - it may decide to peck you.
Apparently, the heads aren't the only parts of the body that Dodrio has three of. It has three sets of hearts and lungs as well, so it is capable of running long distances without rest.
Watch out if Dodrio's three heads are looking in three separate directions. It's a sure sign that it is on its guard. Don't go near this Pokémon if it's being wary-it may decide to peck you.
Apparently, the heads aren't the only parts of the body that Dodrio has three of. It has three sets of hearts and lungs as well, so it is capable of running long distances without rest.
While one of its heads is saying something in Pokémon Mystery Dungeon, the others say me too or mine too, but its pre-evolved form's other head will not.
Dodrio's National Pokédex number is the whole number portion of its weight in kilograms. As of Generation V, this is a unique characteristic. However, Slowpoke and Scyther share the distinction when considering their respective weights in pounds.
Not including the intro video, Dodrio was the first Pokémon to appear in the flesh in the anime (all others before that were either dreamt of by Ash, or else shown on the TV in his room).
According to its Pokédex entries, Doduo can run at 60 mph (100 km/h), while Dodrio can only run at nearly 40 mph (60 km/h). However, Dodrio's base Speed stat is higher.
Dodrio is featured in the Generation III wireless mini-game, Dodrio Berry Picking, where it is required that players own a Dodrio to be able to play.
Before Generation IV, the necks of normal Dodrio were beige (which became the female neck color), while its pre-evolution's necks were black (which became the male neck color).
Origin
Despite its name, Dodrio seems like it has more in common with ostriches than dodos. It also seems to show some similarity to the Moa, an extinct flightless bird, and the Emu, another flightless bird. It also resembles the Kiwi in some ways as well. Its crests may mean it may have been based on cassowaries.
Name origin
Dodrio is a combination of dodo (an extinct, flightless bird) and trio (group of three).
Dodorio may be a combination of ドードー dodo and トリオ trio. To note, dori may be a reference to 鳥 tori (bird).