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其他書名
Their Biology and Natural History
出版NRC Research Press, 2004
主題Nature / Birdwatching GuidesNature / Animals / BirdsScience / Life Sciences / Zoology / Ornithology
ISBN06601927139780660192710
URLhttp://books.google.com.hk/books?id=mqwAW5HhrCYC&hl=&source=gbs_api
EBookSAMPLE
註釋This monograph is a reference work designed to document & review what is known about the biology & natural history of the blue grouse, Dendragapus obscurus. It is based primarily on long-term studies in British Columbia & elsewhere, and on the studies of others in various parts of the bird's range in North America. Part 1 is principally introductory, describing the study approaches used and the principal studies & study areas on which the book is based. Part 2 provides background on the species, with information on its taxonomy, evolution, and the environment in which it lives. Part 3 examines physical attributes such as morphology, reproduction, and food habits. Part 4 is devoted to individual & collective behaviours. The final part documents the principal population parameters of this grouse and identifies what is known about its predators & diseases. Includes glossary & index.