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首页> 外文期刊>The Wilson Bulletin >SUNRISE NEST ATTENDANCE AND AGGRESSION BY LEAST BELL'S VIREOS FAIL TO DETER COWBIRD PARASITISM
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SUNRISE NEST ATTENDANCE AND AGGRESSION BY LEAST BELL'S VIREOS FAIL TO DETER COWBIRD PARASITISM

机译:贝尔的维里奥斯(Vireos)对日出的出勤和侵略未能阻止普遍的寄生主义

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摘要

We video-recorded three, natural, brood-parasitism events by Brown-headed Cowbirds (Mol-othrus ater) at nests of Least Bell's Vireos (Vireo bellii pusillus). All instances occurred near dawn, during both egg-laying and incubation stages of the nesting cycle. In each case, an adult vireo was on the nest when the female cowbird arrived. Both members of each parasitized pair vigorously attacked the intruding cowbird, but in no encounter did a pair of vireos successfully defend its nest from parasitism. Thus, Least Bell's Vireos in our study were unable to prevent a female cowbird from parasitizing their nests once the cowbird had reached the nest.
机译:我们用视频录制了三头自然的,寄生于小贝尔维雷奥斯(Vireo bellii pusillus)巢的褐头牛bird(Mol-othrus ater)发生的寄生虫事件。所有情况都发生在黎明附近,在筑巢周期的产卵和孵化阶段。在每种情况下,当雌性牛arrived到达时,巢穴中都有成年的雄蜂。每个被寄生的对的两个成员都猛烈地攻击了入侵的牛,,但是没有一对动物成功地保护了它的巢免受寄生虫侵害。因此,在我们的研究中,贝尔贝尔的维雷欧斯犬无法阻止母牛一进入巢穴就将其寄生。

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  • 来源
    《The Wilson Bulletin》 |2004年第1期|p.17-22|共6页
  • 作者

    BRYAN L. SHARP; BARBARA E. KUS;

  • 作者单位

    Dept. of Biological and Physical Sciences, Columbus State Community College, 550 E. Spring St., Columbus, OH 43215, USA;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 鸟纲;
  • 关键词

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