History Channel Evolve: Flying
The first vertebrate flyer, the pterosaur, first took to the air 220 million years ago and eventually evolved to the size of a small airplane; comparing the fossil record to living birds.
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The first vertebrate flyer, the pterosaur, first took to the air 220 million years ago and eventually evolved to the size of a small airplane; comparing the fossil record to living birds.
or Try SflixMovies Alternative