First Record of the Small-billed Elaenia (Elaenia parvirostris) for Western North America

Q4 Agricultural and Biological Sciences Western Birds Pub Date : 2023-08-15 DOI:10.21199/wb54.3.4
Nolan M Clements, James R. Tietz
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Abstract

The Small-billed Elaenia (Elaenia parvirostris) is a small flycatcher common on the Atlantic slope of South America. The species breeds below 1000 m elevation in open woodlands, gardens, and forest edges from southern Brazil to northeastern Argentina and migrates north to spend the nonbreeding season in the northern Amazon Basin. Since 2012, it has been documented as a vagrant to North America, with four records from the United States and Canada to date. On the basis of one photographed on Southeast Farallon Island on 4 September 2022, we record a fifth Small-billed Elaenia in North America, a first for California and the Pacific coast. Its novelty notwithstanding, it represents an outlier of an established pattern of vagrancy of tyrant flycatchers from South America reaching North America via overshooting or reverse migration.
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北美西部小喙Elaenia parvirostris的首次记录
小嘴捕蝇虫(Elaenia parvirostris)是南美洲大西洋斜坡上常见的小型捕蝇虫。该物种在海拔1000米以下的开阔林地、花园和森林边缘从巴西南部到阿根廷东北部繁殖,并向北迁移,在亚马逊盆地北部度过非繁殖季节。自2012年以来,它一直被记录为北美的流浪者,迄今为止在美国和加拿大有四次记录。以2022年9月4日在法拉隆岛东南部拍摄的一张照片为基础,我们在北美记录了第五只小嘴埃莱尼亚,这是加利福尼亚和太平洋沿岸的第一次。尽管它很新奇,但它代表了从南美到北美的暴虐捕蝇鸟通过过度迁徙或反向迁徙的既定流浪模式的一个例外。
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来源期刊
Western Birds
Western Birds Agricultural and Biological Sciences-Animal Science and Zoology
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0.60
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