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Birds (598)

academy adaptation adapted african albatross allies allowing allows anatomy ancient animal animals annual archaeopteryx archosaurs associated associations audubon auk australian aves avian barcelona basal beak behavior behavioral behaviour biological biology bird birdlife birds bone breeding brood bulletin california calls capable characteristic chiappe chick chicks chromosome clade clarke classification colonial commonly communication condor conservation copulation courtship cretaceous cuckoo culture darryl del depending desert dinosaur display displays diverse diving dobkin ducks earliest ecological ecology economic edicions egg ehrlich elaborate elliott endangered estimated evolution evolved exception excretion experimental extant external extinct extinction extreme families feather feathers feeding female fish fishing flight flightless flocking fly folklore forest fossil frigatebird geese gill guano habitat handbook hemisphere highly hoyo humans hummingbird hunting incubation innermost islands journal jr kleptoparasitism london loss lung lynx ma male mammals marine mark mate membrane migration modified molecular monogamous morphology moulted naturalist neognathae neornithes nest nesting nests news nightjar northern orders origin ornithological ornithology owl oxford pacific pair palaeognathae parasite parasitic parental parents parrots passerine patterns pdf peacock penguin pest petrel pheasant phylogenetic phylogeny pigeon plants plumage popular populations portal potential precocial predator prey primary primitive princeton proceeding project protect radiation raised raising rates regions relationship relative replaced retrieved role roosting royal sargatal scales science sciences scientists scott seabird sex shearwater shorebirds signal site skin sleep sleeping social socially source sparrow specialised speciation species stanford structure studies subclass superorder surrounding systematics tail taxonomy teeth territories theropod tropical ultraviolet undertake variety vary vertebrate vision visual vulture war water waterbirds weather wheye wings woodpeckers zealand

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