Is a bird an animal?

Organisms within the animal kingdom are categorised into many other smaller groups. Birds are in a group called 'Aves'. ... Animals in the Aves class are warm-blooded, have feathers and beaks, and lay eggs. If an organism has these characteristics it's a bird; whether it's a hummingbird or an ostrich! read more

Organisms within the animal kingdom are categorised into many other smaller groups. Birds are in a group called ‘Aves’. A big group of animals like ‘Aves’ is known as a ‘Class’. Animals in the Aves class are warm-blooded, have feathers and beaks, and lay eggs. read more

Birds, reptiles, insects, mammals (including Man), fish, anything alive that is not a plant is an animal. There are some arguments about the clasification of animals/plants like algae which are on the borderline, just as there is disagreement on whether a virus is life, but nothing to worry about in regard to your question. read more