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Prehistoric figures of birds
Bird carved from stag horn in prehistoric times
Adaptations for Progression by Flying
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abundant Africa Alexander Wetmore animals appearance areas Australia Badlands barn owl bats bill body bones breeding burrow carnivores color covered creatures deposits Diprotodon duckbill ducks early echidnas eggs elephant entire Eocene extinct eyes feathers feed feet fish flesh eaters flying fossil grebes ground habits hatched hawks head herons hind hoof horse inches incubation insectivores insects islands kangaroos kinds known legs light living male mammals marsupials mastodon mice migration Miocene molt mouth National Museum nest North America numbat oreodonts owls parrots peculiar period Photograph by Dr pigment placed placental Plate platypus Pleistocene plumage pouch pre-Badlands plain primitive region remains resemble rocks rodents seacows season shell skeleton skin skull Souef and Burrell South sparrows species of birds specimens structure surface swallows tail teeth thylacine titanotheres toes traps trees tropical ungulates usually whales wing woodpecker young