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首页> 外文期刊>Bulletin of the British Ornithologists' Club >First record of Yellow-billed Cuckoo Coccyzus americanus on Tristan da Cunha, South Atlantic Ocean
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First record of Yellow-billed Cuckoo Coccyzus americanus on Tristan da Cunha, South Atlantic Ocean

机译:在南大西洋的特里斯坦·达库尼亚(Tristan da Cunha)上,黄嘴杜鹃美洲瓢虫的首次记录

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摘要

Tristan da Cunha lies 2,800 km from South Africa, and >3,000 km from the coast of Brazil in the South Atlantic Ocean. It is the most remote inhabited island in the world, withSt. Helena, the nearest island, >2,400 km away. Its remoteness and history of human habitation has resulted in a low diversity of terrestrial breeding birds and, because the island is not sited on any flyway, migrants are rare (Wace & Holdgate 1976, Ryan2007). Nevertheless, there are occasional records of vagrant landbirds, mostly from the Americas. Barn Swallow Hirundo rustica (including H. r. erythrogaster) is perhaps the commonest, with at least five records (Hagen 1952, Elliott 1953, Richardson 1984). Cattle Egrets Bubulcus ibis have been common in more recent years (Ryan 2007). There are also single records of Eastern Kingbird Tyrannus tyrannus, Willow Warbler Phylloscopus trochilus (Ryan 2007, 2008) and Common Nighthawk Chordeiles minor (Ryan 1989).
机译:特里斯坦·达库纳(Tristan da Cunha)距南非2800公里,距南大西洋巴西海岸> 3000公里。它是世界上最偏远的有人居住的岛屿。最近的岛屿海伦娜(Helena),距离> 2,400公里。由于其偏远和人类居住的历史,导致陆地繁殖鸟类的多样性低下,并且由于该岛未位于任何飞行路线上,因此移民很少见(Wace&Holdgate 1976,Ryan2007)。但是,偶尔也有流浪陆鸟的记录,其中大多数来自美洲。燕子Hirundo Rustica(包括H. r。erythrogaster)可能是最常见的,至少有五项记录(Hagen 1952,Elliott 1953,Richardson 1984)。近年来,牛白鹭宜必思酒店已很普遍(Ryan 2007)。也有东部帝王霸王,柳柳莺Phylloscopus trochilus(Ryan 2007,2008)和Common Nighthawk Chordeiles minor(Ryan 1989)的单一记录。

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