Survival of Montana Golden Eagles (Aquila chrysaetos)

被引:0
作者
Harmata, Alan R. [1 ]
Marzluff, John M. [2 ]
Rotella, Jay J. [1 ]
机构
[1] Montana State Univ, Ecol Dept, Bozeman, MT 59717 USA
[2] Univ Washington, Sch Environm & Forest Sci, Seattle, WA 98195 USA
关键词
age-specific survival; Golden Eagle; Montana; satellite transmitter; sex-specific survival; survival; RETENTION; BEHAVIOR; SCOTLAND; BIRDS;
D O I
暂无
中图分类号
Q95 [动物学];
学科分类号
071002 ;
摘要
We monitored 25 Golden Eagles in Montana, USA, from 2011 to 2015 over 3,601 days using tail-mounted satellite transmitters. Using the best available direct observation and circumstantial evidence, we surmise that only a single eagle (adult female floater) died during monitoring, resulting in a daily survival estimate of 0.9997 (SE = 0.0003) and an annual survival estimate of 0.905 (SE = 0.0907) for a mixture of adult and younger, resident and migrant, breeder and nonbreeder eagles of both genders living in relatively undisturbed regions of the western United States. Under this scenario, adult daily survival averaged 0.9996 (SE = 0.0004) and adult annual survival averaged 0.858 (SE = 0.132).
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收藏
页码:305 / 312
页数:8
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