Life
9 September 2020
By Christa Lesté-Lasserre
All Canada Photos / Alamy
Hummingbirds can enter a hibernation-like state at night, dropping their body temperature to under 4°C in an effort to preserve energy for use during the day.
The birds are one of a few species, including night hawks and some small rodents, that are capable of torpor, in which body function reduces to a bare minimum for a few hours, says Blair Wolf at the University of New Mexico.
Previous studies have found that hummingbirds can drop their body …
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