Question

write three differences between animals belonging to aves group and those in mammalia group

Answer 1

1. Mammals give birth to their young whereas birds lay eggs.
2. Birds have feathers whereas mammals have only fur or hair.
3. Birds have porous or hollow bones. In contrast, mammals have denser bones.
4. Birds have wings while mammals have paws, hands, and hooves.
5. Mammals produce sound using a larynx, but in birds this organ does not produce sounds. Instead, birds have a syrinx which serves as voice box.
6. Mammals feed their young milk produced by the mammary glands. On the other hand, the young birds are fed by the parents regurgitating partially digested food.

Answer 2

3 differences as above.