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Article: Delivery and consumption of a Pigeon Guillemot by nesting Northern Goshawks in Southeast Alaska.(Short Communications)
- Article from:
- Wilson Bulletin
- Article date:
- December 1, 2003
- Author:
CopyrightCOPYRIGHT 2003 Wilson Ornithological Society. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Northern Goshawks (Accipiter gentilis) are opportunistic predators that consume a wide variety of bird and mammal species (Cramp 1980a, Squires and Reynolds 1997). They typically hunt in forests (Bright-Smith and Mannan 1994, Beier and Drennan 1997) where they feed on medium- to small-sized birds and mammals, including grouse, corvids, passerines, woodpeckers, and tree squirrels (Squires and Reynolds 1997). In some landscapes, however, Northern Goshawks also hunt at forest edges and the associated open habitat (Kenward 1982). Coastal landscapes provide such forest edges and intertidal habitats that are rich with marine-derived food sources that attract diverse avifauna not ...
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Article: Juvenile marbled murrelet nurseries and the productivity index.
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June 1, 1999 ;
700+ words
... ... ratio of juveniles to adults at sea, and compare this with Pigeon Guillemot (Cepphus columba) productivity estimates obtained by ... Prince William Sound, Alaska (Kuletz and Kendall 1998). Pigeon Guillemot fledging dates were similar and were verified from local ...
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