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High-Elevation Hummingbirds Evolved a Temperature Trick

2020-09-16 00:00 作者: 来源: 本站 浏览: 24 views 我要评论 字号:

摘要: Hummingbirds in the Peruvian Andes enter a state of torpor at night to conserve energy, dipping their body temperatures to as low ...

Hummingbirds in the Peruvian Andes enter a state of torpor at night to conserve energy, dipping their body temperatures to as low as 38 degrees Fahrenheit. Christopher Intagliata reports. 

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