Question

write three characteristics of birds ​

Answer 1

here

Birds are endothermic

Most birds can fly, but some birds run or swim.

Birds vocalize to attract mates and to warn other birds about a predator.

Answer 2

1. Feathers are the defining characteristic of Aves, found on every living species of bird and no other class of animal.
2. Wings. All birds have wings, although not all birds fly.
3. Beak. All birds have beaks, or bills, made of a bony core surrounded by a thin layer of keratin.