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Hawks, Owls, and Wildlife

John Johnson CraigheadFrank Cooper Craighead (Jr.)

出版	Dover Publications, 1969
主題	Nature / Birdwatching GuidesNature / Animals / BirdsScience / Life Sciences / BiologyScience / Life Sciences / Zoology / General
ISBN	04862212379780486221236
URL	http://books.google.com.hk/books?id=mb_wAAAAMAAJ&hl=&source=gbs_api

註釋

"In this study of the predatory behavior of hawks and owls, John and Frank Craighead of the Fish and Wildlife Service of the U.S. Department of the Interior present their findings after years of intensive field research in specially chosen regions of Michigan and Wyoming. They reveal predation, not as a cruel and wasteful process, but as a natural biological control of regulator."--Page 4 of cover.