منابع مشابه
Experimental Lead-Shot Poisoning in Bald Eagles
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متن کاملLeucocytozoonosis in nestling bald eagles in Michigan and Minnesota.
Thirteen of 21 nestling bald eagles (Haliaeetus leucocephalus) examined for blood parasites in Michigan and Minnesota (USA) during June and July 1997 had patent infections of Leucocytozoon toddi. No other parasites were seen. The degree of parasitemia was light and varied from 1 to 2 on the Ashford Scale. Several of the infected nestlings appeared to have elevated levels of heterophils in their...
متن کاملModeling climate change impacts on overwintering bald eagles
Bald eagles (Haliaeetus leucocephalus) are recovering from severe population declines, and are exerting pressure on food resources in some areas. Thousands of bald eagles overwinter near Puget Sound, primarily to feed on chum salmon (Oncorhynchus keta) carcasses. We used modeling techniques to examine how anticipated climate changes will affect energetic demands of overwintering bald eagles. We...
متن کاملReproductive Success of Bald Eagles in Interior Alaska
We compared productivity and nesting success of 2 adjacent populations of bald eagles (Haliaeetus leztcocephalus) near the northern limits of their range in interior Alaska during 1989-94. Productivity (f 2 SE young fledgedloccupied territory) and nesting success differed between populations; pairs in the Gulkana River basin had higher productivity (0.86 2 0.05, n = 274) and nesting success (59...
متن کاملFood Habits of Bald Eagles Breeding in the Arizona Desert
-of 1814 foraging attempts, prey captures, or nest deliveries by Bald Eagles (Haliaeetus Zeucocephalus) in 14 Arizona breeding areas during 1983-1985, 1471 observations were identifiable to at least class: fish (76%), mammal (18%), bird (4%), and reptile/ amphibian (2%). Forty-five species were recorded: catfish (Zctalurus punctatus, fylodictis olivaris), suckers (Catostomus ins&k, C. clarki), ...
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ژورنال
عنوان ژورنال: The Forestry Chronicle
سال: 1985
ISSN: 0015-7546,1499-9315
DOI: 10.5558/tfc61189-2