Assertion: penguin's bird | /r/CapableOf | incubate egg
Facets:
value: for 65 days
type: TEMPORAL
Source sentences:
text: For 65 days, each bird incubates an egg, huddled in large colonies with only feathers, fat, and each other to stay warm.
text: Birds incubate their eggs until they are ready to hatch.
text: These birds incubate eggs for 40 days.