According to the University of Michigan, the Archaeopteryx, a creature with both reptilian and avian traits, is a species often used as the starting point for the evolution timeline of modern birds. Fossil records demonstrate that the Archaeopteryx resembled a small dinosaur with wings, likely with a feathered tail and body. Pterodactyls are one assumed ancestor of the archaeopteryx and of modern birds. But, fossil evidence has not yet been found to further verify the pterodactyl (also known as pterosaur) as an ancient evolution ancestor.
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