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subsistence and migratory patterns
detailing the plants and other wildlife that may be encountered
Illustrated with classic images from John James Audubon's The Birds of America
as predicted by Allen's rule
A window on the world of birders--obsessive
Avian Ecology And Conservation: A Pennsylvania Focus With National Implications subsistence and migratory patternsThis book brings together in one volume a comprehensive overview of Pennsylvania's avian communities, current and emerging conservation issues, and the specific contributions Pennsylvania biologists, avian ecologists, and conservationists have made to the science of ornithology.
US$ 129.95
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