Assertion: prairie dog's tail | /r/AtLocation | their burrows
Facets:
value: during winter
type: TEMPORAL
Source sentences:
text: During winter when food is scarce, black-tails remain in their burrows for long periods without food or water, using physiological adaptations to control their metabolism.
text: During winter when food is scarce, black-tails remain in their burrows for long periods without food or water.