A songbird inhibits blinking behaviour in flight

A songbird inhibits blinking behaviour in flight
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鸣禽在飞行中抑制眨眼行为

DOI:
10.1098/rsbl.2020.0786
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发表时间:
2020
期刊:
影响因子:
3.3
通讯作者:
Yorzinski, Jessica L.
Yorzinski, Jessica L.
中科院分区:
生物学2区
文献类型:
--
作者:
Yorzinski, Jessica L.

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视觉注意力在鸟类飞行中起着至关重要的作用,但当鸟类眨眼时,注意力可能会受到限制。因为眨眼对于保持正常的视力是必要的,所以这项研究验证了鸟类在飞行中有策略地抑制眨眼的假设。圈养的大尾白嘴鸦(Quiscalus mexicanus)在开放环境中进行短距离飞行之前、期间和之后的眨眼行为都被记录了下来。在飞行中(起飞、飞行和着陆),白头翁眨眼的时间最少,而在撞击时眨眼的时间最多。它们在飞行前后眨眼的行为是相似的。这些结果表明,白头翁在飞行中有策略地抑制眨眼行为,可能是因为眨眼会给鸟类的飞行带来成本。
Visual attention plays a fundamental role in avian flight but attention is likely limited whenever birds blink. Because blinks are necessary to maintaining proper vision, this study tested the hypothesis that birds strategically inhibit their blinks in flight. The blinks of captive great-tailed grackles (Quiscalus mexicanus) were recorded before, during and after they flew a short distance in an open environment. The grackles spent the least amount of time blinking in flight (take-off, during flight and landing) and the most amount of time blinking at impact. Their blinking behaviour was similar before and after flight. These results suggest that grackles strategically inhibit their blinking behaviour in flight, potentially because blinks impose costs to avian flight.
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发表时间: 2017
影响因子: 4.3
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