Birds

598	All About Birds: From Cornell
598	All About Birds: From Enchanted Learning
598	Audubon Magazine - Multimedia
598	Birds: Audubon Field Guides from eNature
598	Canadian Museum of Nature: Birds
598	Cornell Lab of Ornithology
598	East Coast Birds
598	National Audubon Society
598	New Hampshire Birds
598	The Nutty Birdwatcher: Eastern Birds
598	The Raptor Center at the University of Minnesota
598	State Birds
598	Wild about Birds: This guide, with lesson plans is for Illinois, but has many birds found around the U.S.
598	Xeno-Canto: Bird Sounds From the Americas
598.4	Duckdata: A Bibliographic Data Base of North American Waterfowl

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