安娜的蜂鸟种内竞争行为

Northwestern Naturalist Pub Date : 2023-07-25 DOI:10.1898/NWN22-20

J. Evens, Christopher Harper

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引用次数: 0

摘要

在之前的一篇一般性文章中，我们描述了一只雄性安娜蜂鸟(Calypte Anna)在冬季靠近该物种繁殖范围北部的种内致命行为。这篇笔记报告了另一个观察到的这个物种的雄性在类似的条件下的竞争行为，导致“濒临死亡”，但受害者显然活了下来。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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INTRASPECIFIC AGONISTIC BEHAVIOR BY ANNA'S HUMMINGBIRD

Abstract In a previous general note we described lethal intraspecific behavior by a male Anna's Hummingbird (Calypte anna) during winter near the northern extent of the species' breeding range. This note reports another observation of agonistic behavior by a male of this species, under similar conditions, that resulted in “near death,” but which the victim apparently survived.

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Northwestern Naturalist

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