[[Ostrich]]es, [[penguin]]s, and [[emu]]s are birds that don't fly, although penguins have sometimes been said to "fly" underwater. [[Robin]]s, [[sparrow]]s, [[cardinal (bird)|cardinal]]s, and [[eagle]]s are more typical flying birds.
Some evolutionists believe Almost all evolutionary biologists, with rare exceptions, view the fossil evidence as strongly indicating that birds have evolved from [[dinosaur]]sare the only extant group of dinosaurs, a branch of the theropods, although this which included ''Velociraptor'' and ''Deinonychus''. This view is disputed by both [[creationism|creationists]] and some [[evolution|evolutionists]].
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