Assertion: hummingbird | /r/CapableOf | enter torpor
Facets:
value: on cold nights
type: TEMPORAL
value: easily
type: MANNER
Source sentences:
text: In contrast, when hummingbirds enter torpor, a hibernation-like state that allows them to sleep or withstand cold temperatures, their heart rates can slow to 50-180 beats per minute, about the rate of a newborn baby.
text: To meet their energy demands, they enter torpor (a state similar to hibernation), during which they lower their metabolic rate by about 95 percent.
text: Hummingbirds can easily enter torpor on cold nights, however, which allows them to conserve energy to survive lower temperatures when food is not as readily available.