is a specific kind of: class.

has as a member: bird | genus Protoavis | Archaeornithes, subclass Archaeornithes | Ratitae, superorder Ratitae | order Struthioniformes, Struthioniformes | Casuariiformes, order Casuariiformes | Apterygiformes, order Apterygiformes | order Rheiformes, Rheiformes | Aepyorniformes, order Aepyorniformes | Dinornithiformes, order Dinornithiformes | Insessores, order Insessores, percher, perching bird | order Passeriformes, Passeriformes | order Raptores, Raptores | Falconiformes, order Falconiformes | young bird | order Strigiformes, Strigiformes | Galliformes, order Galliformes | Columbiformes, order Columbiformes | order Psittaciformes, Psittaciformes | Cuculiformes, order Cuculiformes | Coraciiformes, order Coraciiformes | order Picariae, Picariae | Apodiformes, order Apodiformes | Caprimulgiformes, order Caprimulgiformes | order Piciformes, Piciformes | order Trogoniformes, Trogoniformes | Anseriformes, order Anseriformes | Ciconiiformes, order Ciconiiformes | Gruiformes, order Gruiformes | Charadriiformes, order Charadriiformes | Gaviiformes, order Gaviiformes | Colymbiformes, order Colymbiformes, order Podicipediformes, order Podicipitiformes, Podicipediformes, Podicipitiformes | order Pelecaniformes, Pelecaniformes | order Sphenisciformes, Sphenisciformes | order Procellariiformes, Procellariiformes ... show more.

is a member of: Craniata, subphylum Craniata, subphylum Vertebrata, Vertebrata.

domain category: ornithology.