在噪音中狩猎时,蝙蝠会通过感官系统对猎物进行感知
D G E Gomes1, R A Page2, I Geipel2
1Smithsonian Tropical Research Institute, Apartado 0843-03092 Balboa, Panama. Max Planck Institute for Ornithology, Seewiesen 82319, Germany.
概括
人为噪音影响动物的生存. 吃青的蝙蝠使用多种感官在杂的环境中有效地捕猎猎物,
科学领域:
- 感官生态学
- 动物行为
- 生物声学
背景情况:
- 人为噪音污染破坏了自然环境.
- 动物依靠感官来生存和繁殖.
- 使用声学线索的捕食者特别容易受到噪音的影响.
研究的目的:
- 研究捕食者如何适应人类制造的噪音.
- 为了确定多式传感线索是否减轻噪音对掠食者的影响.
- 在噪音条件下探索蝙蝠的行为调整.
主要方法:
- 使用一个机器人青模型发射各种感官线索.
- 在安静与喧的条件下比较食蝙蝠的掠食行为.
- 测量攻击延迟时间和成功率.
- 使用声学记录分析了回声定位行为.
主要成果:
- 在掩盖噪音的过程中,蝙蝠表现出更多的偏好和更快的攻击.
- 噪音暴露导致了增强的主动回声定位行为.
- 在使用多个感官通道时,尽管有声干扰,但蝙蝠的掠夺性成功仍然存在.
结论:
- 动物可以通过整合来自多个感官系统的信息来适应人为噪音.
- 多模式感知是捕食者在杂环境中的关键策略.
- 感官生态在环境噪音中的物种相互作用中起着至关重要的作用.
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