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Home range size and breeding dispersal of a common buzzard (Buteo buteo)

机译:普通秃鹰的家养范围大小和繁殖扩散

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elemetric studies have provided ample information on threatened raptors, but still little is known about space use and dispersal of common species. Here I describe the home range and breeding dispersal of a GPS-tracked adult male common buzzard, studied in south-eastern Estonia in 2014–16. This buzzard’s home range covered 8.3 km2 (kernel 95% estimate) with the core range being 2.1 km2 (kernel 50%). The home range increased in the course of the breeding season but decreased again before migration. Surprisingly, the nests in the two successive breeding years were located in the opposite margins of the home range, 1.7 km from each other.
机译:遥测研究已提供了有关猛禽猛禽的大量信息,但对于空间利用和常见物种的扩散知之甚少。在这里,我描述了2014-16年在爱沙尼亚东南部研究的GPS追踪的成年雄性普通秃鹰的栖息地范围和繁殖分布。该秃鹰的主范围为8.3 km2(估计为内核的95%),核心范围为2.1 km2(内核为50%)。在繁殖季节,家的范围有所增加,但在迁徙前又有所减少。令人惊讶的是,两个连续繁殖年份的巢位于家园范围的相对边缘,彼此相距1.7公里。

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