Dr Donald Powers
[WATCH] How hummingbirds avoid overheating
Colourful footage, shot with a thermal camera, reveals how hummingbirds avoid overheating as they beat their wings up to 70 times per second.
December 16, 2015
[WATCH] How hummingbirds avoid overheating
Colourful footage, shot with a thermal camera, reveals how hummingbirds avoid overheating as they beat their wings up to 70 times per second.
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