The effect of hemosporidian infections on white-crowned sparrow singing behavior
The effect of hemosporidian infections on white-crowned sparrow singing behavior
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DOI：
10.1111/j.1439-0310.2006.01341.x
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发表时间：
2007-05-01
期刊：
影响因子：
1.7
通讯作者：
Foufopoulos, Johannes
中科院分区：
文献类型：
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作者：
Gilman, Sarah;Blumstein, Daniel T.;Foufopoulos, Johannes
关于特定寄生虫对性选择行为特征的影响知之甚少。我们对自由生活的山地白冠麻雀（Zonotrichia leucophrys oriantha）进行了回放实验，以确定血孢子寄生虫对潜在的性选择鸣叫特征的影响。我们在播放一首新颖的白冠麻雀歌曲后录制歌曲，旨在模拟领土入侵。白细胞虫或疟原虫感染会影响歌唱行为，而变形杆菌感染则没有可检测到的影响。具体来说，使用频谱图相关性测量的歌曲一致性受到疟原虫和白细胞虫感染的影响。此外，感染疟原虫的鸟类在实验播放后唱的歌曲较少。因此，相对广泛的寄生虫，如疟原虫，可能对潜在的性选择歌曲特征产生强烈影响。
Relatively little is known about the effects of specific parasites on sexually selected behavioral traits. We subjected free-living mountain white-crowned sparrows (Zonotrichia leucophrys oriantha) to a playback experiment to identify the effect of hemosporidian parasites on potentially sexually selected song characteristics. We recorded song after a playback of a novel white-crowned sparrow song, meant to simulate a territorial intrusion. Infections with Leucocytozoon or Plasmodium influenced singing behavior, while infection with Haemoproteus had no detectable effect. Specifically, song consistency, as measured using a spectrogram correlation, was influenced by both Plasmodium and Leucocytozoon infection. Additionally, birds infected with Plasmodium sang fewer songs following experimental playback. Thus, relatively widespread parasites, like Plasmodium, may have a strong effect on potentially sexually selected song characteristics.