Birds of Northern South America. An Identification Guide, Volume 2: Plates and Maps Format:Paperback Tropical Ecology is the best

Tropical Ecology is the best textbook on the subject for advanced undergraduates and graduate students

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Birds of Northern South America. An Identification Guide, Volume 2: Plates and Maps Format:Paperback Tropical Ecology is the bestThe two companion volumes of this extensive and detailed guide make a groundbreaking contribution to bird guide literature: they not only provide detailed accounts of every known bird species in the vast region from Ecuador to French Guiana but also, for the first time, illustrate virtually every plumage variation in full color. The illustrations include adult males and females where different as well as intermediate plumages, juveniles, subspecies,