在非繁殖季节，受威胁的加利福尼亚海岸捕蚊(Polioptila californica)的觅食偏好

IF 0.7 4区生物学 Q3 ORNITHOLOGY

Journal of Field Ornithology Pub Date : 2023-01-01 DOI:10.5751/jfo-00269-940206

K. Clark, K. Ferree, Kylie Fischer, Stephen Myers

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引用次数: 0

摘要

．我们研究了受联邦威胁的加利福尼亚海岸捕蚊器(Polioptila californica)的觅食行为，这是一种专性食虫动物，在非繁殖季节，由于季节性干旱和寒冷冬季风暴的发生，这种非迁徙的雀形目动物的存活率降低。在秋季(10 - 11月)的季节性干旱期，加州捕蚊者优先在秋季开花的灌木中觅食，如土狼丛(Baccharis pilularis)。

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Foraging preferences of the threatened coastal California Gnatcatcher ( Polioptila californica ) during the non-breeding season

. We studied the foraging behavior of the federally threatened coastal California Gnatcatcher ( Polioptila californica ), an obligate insectivore, during the non-breeding season, a period of reduced survivorship for this non-migratory passerine due to seasonal aridity and the onset of cold winter storms. During the seasonal dry period in fall (October–November), California Gnatcatchers preferentially foraged in fall-blooming shrubs such as coyote brush ( Baccharis pilularis )

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来源期刊

Journal of Field Ornithology 生物-鸟类学

CiteScore

1.40

自引率

0.00%

发文量

审稿时长

3 months

期刊介绍： The Journal of Field Ornithology welcomes original articles that emphasize the descriptive or experimental study of birds in their natural habitats. Articles depicting general techniques, emphasizing conservation, describing life history, or assessing published studies or existing ideas are appropriate. The Journal is especially interested in field studies conducted in the Neotropics and those involving participation by nonprofessional ornithologists.