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Date: 2015-02-27 22:35:08Bird anatomy Feathers Birds Plumage Flight feather Bird Common murre Biota Birds of North America Humphrey-Parkes terminology Teleostomi | This article started out as a bit of an argument. Jerry Liguori and Brian Sullivan, in a previous article in Birding, presented evidence against the conventional wisdom that gray Northern Harriers are necessarily older mAdd to Reading ListSource URL: www.birdpop.orgDownload Document from Source WebsiteFile Size: 1,21 MBShare Document on Facebook |