Assertion: booby | /r/CapableOf | use their webbed feet
Facets:
value: to incubate the eggs
type: PURPOSE
value: to keep their chicks
type: PURPOSE
Source sentences:
text: Boobies don’t have brooding patches on their breasts, so they use their webbed feet to incubate the eggs.
text: As a result, the booby uses its webbed feet, which have an increased blood supply, to incubate the eggs.
text: Another interesting aspect of this particular type of booby is that they use their webbed feet to keep their chicks warm.