Appearance is different: animals have four legs, the whole body is hairy, and the mouth is very wide, while birds have only two legs, with narrow claws, wings and feathers, and generally a sharp mouth.

Feeding methods are different: animals are mostly viviparous, young birds feed on breast milk, and birds are generally oviparous. The female lays a fertilized egg in the nest and then hatches through her own body temperature.

Habitat environment is different: animals usually inhabit trees and caves, and birds usually inhabit fences or trees.

First, the appearance is different.

1, animal: The body has four legs, no wings, hairy body and a wide mouth.

2, birds: only two legs, thin claws, wings and feathers on the body, the mouth is mostly triangular and pointed.

Second, the farming methods are different.

1, domestic animals: most of them are mammals, and the breeding mode is viviparous, and the larvae feed on the milk secreted by the mother.

2. Birds: All belong to birds and can be divided into birds and birds. The mode of reproduction is oviparous. The female bird lays the fertilized egg in the nest and then hatches through her own body temperature.

Third, the habitats are different.

1. Livestock: usually inhabit trees and caves, and use fallen leaves and straw to build a comfortable rest environment.

2. Poultry: Poultry lives in pens, and most birds live in trees, and they use branches, moss and other materials to build nests.