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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.
what is the significant of birds first flight
Mammals differ from birds as birds lay eggs, and mammals give live birth.
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
Birds are groups of animals equipped for flight.
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
To stabilize their flight.
Wings in both birds and bats are considered homologous structures. They have a similar function (flight) but different evolutionary origins – birds have wings made of feathers while bats have wings made of skin stretched between elongated finger bones.
Birds and bats