We watch them feed them identify them list them count them protect them and more but what is a birdwith roughly 10000 unique bird species in the world it can be difficult to identify exactly what makes a bird a bird but these remarkable creatures share a number of characteristics that help classify them as birds. Threats to birds of prey facts what makes a bird a bird all birds belong to the group of animals called vertebrates meaning animals having a backbone birds make up a special group of vertebrates called aves examples of other groups of vertebrates are fish amphibians mammals and reptiles. An inventive nonfiction format using scientific type inquiry and a friendly informal tone may garelick leads the reader to discover what makes a bird a bird packed with accurate detailed illustrations by trish hill as lush and brightly colored as the birds themselves to ask other readers . Birds are great fun to watch for people of any age or birding stage next month make your own platform feeder well show you how if it has feathers its a bird cool fact birds are the only living creatures with feathers feathers are made of keratin the same protein that makes up bird beaks lizard scales mammal
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