Diets of nesting Northern Goshawks in the Warner Mountains, California
Diets of Northern Goshawks (Accipiter gentilis) in western and eastern North America show regional differences. This variation may be explained by the opportunistic feeding behavior of Northern Goshawks and the greater number of potential prey species in western North America. We predicted that a po...
Main Authors: | , , |
---|---|
Format: | Text |
Language: | unknown |
Published: |
BYU ScholarsArchive
2004
|
Subjects: | |
Online Access: | https://scholarsarchive.byu.edu/wnan/vol64/iss3/10 https://scholarsarchive.byu.edu/context/wnan/article/1913/viewcontent/26308.pdf |
id |
ftbrighamyoung:oai:scholarsarchive.byu.edu:wnan-1913 |
---|---|
record_format |
openpolar |
spelling |
ftbrighamyoung:oai:scholarsarchive.byu.edu:wnan-1913 2023-07-23T04:12:46+02:00 Diets of nesting Northern Goshawks in the Warner Mountains, California Promessi, Rebecca L. Matson, John O. Flores, Mary 2004-08-27T07:00:00Z application/pdf https://scholarsarchive.byu.edu/wnan/vol64/iss3/10 https://scholarsarchive.byu.edu/context/wnan/article/1913/viewcontent/26308.pdf unknown BYU ScholarsArchive https://scholarsarchive.byu.edu/wnan/vol64/iss3/10 https://scholarsarchive.byu.edu/context/wnan/article/1913/viewcontent/26308.pdf Western North American Naturalist text 2004 ftbrighamyoung 2023-07-03T22:33:15Z Diets of Northern Goshawks (Accipiter gentilis) in western and eastern North America show regional differences. This variation may be explained by the opportunistic feeding behavior of Northern Goshawks and the greater number of potential prey species in western North America. We predicted that a population of Northern Goshawks in the Warner Mountains of California would take significantly more mammals than birds as prey. Goshawk diet in the Warner Mountains was determined by pellet analysis and prey remains. A total of 33 samples from 23 nest sites was collected and analyzed. Diets were quantified by determining the minimum number of individuals per sample at each nest site. As predicted, Warner Mountain Goshawks preyed more heavily on mammalian than avian prey species. Of the 221 individuals identified, 126 (57%) were mammals, while 95 (43%) were birds. These results are in accord with the suggestion that there are potentially more mammalian prey species in western North America than in eastern North America. Text Accipiter gentilis Brigham Young University (BYU): ScholarsArchive |
institution |
Open Polar |
collection |
Brigham Young University (BYU): ScholarsArchive |
op_collection_id |
ftbrighamyoung |
language |
unknown |
description |
Diets of Northern Goshawks (Accipiter gentilis) in western and eastern North America show regional differences. This variation may be explained by the opportunistic feeding behavior of Northern Goshawks and the greater number of potential prey species in western North America. We predicted that a population of Northern Goshawks in the Warner Mountains of California would take significantly more mammals than birds as prey. Goshawk diet in the Warner Mountains was determined by pellet analysis and prey remains. A total of 33 samples from 23 nest sites was collected and analyzed. Diets were quantified by determining the minimum number of individuals per sample at each nest site. As predicted, Warner Mountain Goshawks preyed more heavily on mammalian than avian prey species. Of the 221 individuals identified, 126 (57%) were mammals, while 95 (43%) were birds. These results are in accord with the suggestion that there are potentially more mammalian prey species in western North America than in eastern North America. |
format |
Text |
author |
Promessi, Rebecca L. Matson, John O. Flores, Mary |
spellingShingle |
Promessi, Rebecca L. Matson, John O. Flores, Mary Diets of nesting Northern Goshawks in the Warner Mountains, California |
author_facet |
Promessi, Rebecca L. Matson, John O. Flores, Mary |
author_sort |
Promessi, Rebecca L. |
title |
Diets of nesting Northern Goshawks in the Warner Mountains, California |
title_short |
Diets of nesting Northern Goshawks in the Warner Mountains, California |
title_full |
Diets of nesting Northern Goshawks in the Warner Mountains, California |
title_fullStr |
Diets of nesting Northern Goshawks in the Warner Mountains, California |
title_full_unstemmed |
Diets of nesting Northern Goshawks in the Warner Mountains, California |
title_sort |
diets of nesting northern goshawks in the warner mountains, california |
publisher |
BYU ScholarsArchive |
publishDate |
2004 |
url |
https://scholarsarchive.byu.edu/wnan/vol64/iss3/10 https://scholarsarchive.byu.edu/context/wnan/article/1913/viewcontent/26308.pdf |
genre |
Accipiter gentilis |
genre_facet |
Accipiter gentilis |
op_source |
Western North American Naturalist |
op_relation |
https://scholarsarchive.byu.edu/wnan/vol64/iss3/10 https://scholarsarchive.byu.edu/context/wnan/article/1913/viewcontent/26308.pdf |
_version_ |
1772176607704776704 |