The place of birds in the classification

Birds have an internal skeleton, four limbs including two wings. They are distinguished from other vertebrates by the feathers that cover their bodies. You will find below two examples of the place of birds in the classification of living things.

Représentation d’une collection d’animaux en groupes emboîtés
Representation of a collection of animals in nested groups.© Sébastien TURPIN | Vigie-Nature École
Représentation d’une collection d’animaux sous forme d’arbre
Representation of a collection of animals as a tree.  © Sébastien TURPIN | Vigie-Nature École