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flight refers to a group of flying birds, ie a flight of swallows
There is none beyond that all animals are related and that bats and birds are both land-dwelling vertebrates. Birds, bats, and insects developed flight independently of one another.
The only animals capable of true flight are birds, bats, and insects.
Although bats and birds are both vertebrates, they evolved flight separately. Bats move the air with thin skin rather than feathers. And the bones in bat wings reach the wingtip, while birds have short wing bones and long flight feathers..sorry if i havent answered your questions properly im only 12..:) but hopefully you would have learned something
Bats do, birds do not
Bats are the only mammals capable of true flight. Their wings are like hands with skin stretched between modified finger bones.Bats and most birds a capable of sustained flight, and they are vertebrates
Birds and bats
There is one group of mammals that fly. They are called bats. A number of other mammals can glide, but this is not true flight. Many insects, which are not related to mammals or birds, can also fly.
Both bats and birds are warm-blooded vertebrates.
No. Bats are mammals while birds are descended from dinosaurs.
Bats have fur but birds do not. Bats are mammals that give birth to live young, whereas birds give birth by way of the laying of eggs.
Bats are not birds. Bats are flying mammals. Some birds have a rudimentary echolocation capacity. These birds are the oilbirds of South America, and the cave swiftlets of Asia.