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peter d vickery
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Ecology and conservation of grassland birds of the western hemisphere
Peter D. Vickery · Cooper Ornithological Society
299 sayfa · 1999
Wildlife conservation / Ecology / Birds / Grassland animals / Congresses
Grasslands of northeastern North America
Peter D. Vickery, Peter Dunwiddie · Massachusetts Audubon Society, Center for Biological Conservation
297 sayfa · 1997
Habitat conservation / Grassland ecology / Grassland conservation / Congresses