Assertion: hummingbird | /r/CapableOf | enter a state of torpor
Facets:
value: at night
type: TEMPORAL
Source sentences:
text: They can enter a state of torpor when at rest, particularly at night, to conserve energy without constant feeding.
text: When sleeping, a hummingbird can enter a state of torpor where its heartrate drops to as low as 50 beats per minute in order to slow its metabolism and conserve energy.