Assertion: snowy owl | /r/CapableOf | switch at times of low prey density
Facets:
value: to favoring juvenile ptarmigan
type: PURPOSE
value: during the ptarmigan nesting period
type: TEMPORAL
Source sentences:
text: The Snowy owl relies primarily on lemmings and other small rodents for food during the breeding season, but at times of low prey density, or during the ptarmigan nesting period, they may switch to favoring juvenile ptarmigan.