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Habitat Selection by Breeding Belted Kingfishers (Ceryle alcyon)
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Habitat Selection by Breeding Belted Kingfishers (Ceryle alcyon)

著者: Robert P Brooks; W James Davis
版本/格式: 文章 文章 : 英语
刊登在:American Midland Naturalist, Jan., 1987, vol. 117, no. 1, p. 63-70
数据库:JSTOR
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文件类型: 文章
所有的著者/提供者: Robert P Brooks; W James Davis
ISSN:0003-0031
OCLC号码: 477448738
语言注释: English
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摘要:

Belted kingfishers (Ceryle alcyon) have specific habitat requirements for breeding. Locations of breeding territories were strongly influenced by the availability of high, vertical nesting banks composed of more than 75% sand and less than 7% clay. The availability of riffles as foraging sites was also important, but breeding birds generally expanded their territory size to obtain sufficient food after nests were established. Differences in population density of kingfishers along streams in Pennsylvania and Ohio appear to be caused by differences in the number of suitable foraging sites rather than availability of nest sites.

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