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Notes on Breeding Sharp-shinned Hawks and Cooper's Hawks in Barnwell County, South Carolina

机译:在南卡罗来纳州的巴恩韦尔县繁殖尖胫和库珀鹰的注意事项

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摘要

Breeding records of Accipiter striatus (Sharp-shinned Hawks) in the southeastern US are scattered and isolated. We documented a Sharp-shinned Hawk and Accipiter cooperii (Cooper's Hawk) nest while conducting a telemetry study on Melanerpes erythrocephalus (Red-headed Woodpeckers) in Barnwell County, SC in 2006 and 2007. We report the first known nest of a Sharp-shinned Hawk in Barnwell County, SC and the first report of Sharp-shinned Hawks preying upon Red-headed Woodpeckers. Thirteen of 93 (13.9%) woodpeckers were killed by accipiters in the summers of 2006 and 2007. Large, contiguous forests managed for Picoides borealis (Red-cockaded Woodpeckers) may be used by breeding Sharp-shinned Hawks. The bright plumage, loud calls, and behavior of Red-headed Woodpeckers, particularly during the nestling stage, may make them conspicuous prey for accipiters.
机译:美国东南部的鹰Acc纹(尖刺鹰)的繁殖记录是分散和孤立的。我们在2006年和2007年对南卡罗来纳州巴恩韦尔县的Melanerpes erythrocephalus(红头啄木鸟)进行遥测研究时,记录了一个尖锐的Hawk和Accipiter cooperii(库珀的鹰)巢。南卡罗来纳州巴恩韦尔县的霍克(Hawk),以及锋利的老鹰捕食红发啄木鸟的第一份报告。在2006年和2007年的夏天,啄木鸟杀死了93只啄木鸟中的13只(13.9%)。繁殖尖锐的鹰头鹰可能会使用大型连续森林管理Picoidesborealis(红冠啄木鸟)。红头啄木鸟的明亮的羽毛,响亮的声音和行为,尤其是在雏鸟期,可能使它们成为鹰嘴豆的显眼猎物。

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