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guide resident and visiting birders to hundreds of birding sites
Previous owner's name on ffep
and sexing birds and 45 pages of Literature Cited round out this robust volume
Birds are one of the most popular and visible forms of all wildlife and are inextricably linked with the development of human cultures all around the world
others are merely regarded as agricultural pests
Helpers at Birds' Nests: A Worldwide Survey of Cooperative Breeding and Related Behavior guide resident and visiting birders1987. First edition. As new hardcover in dust jacket. A detailed account of a remarkable aspect of bird behavior the aid that one bird gives another who is neither its mate nor its dependent young, and who may even belong to a different species.
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