Assertion: booby's foot | /r/HasAspect | increased blood supply
Facets:
Source sentences:
text: They incubate their eggs by warming them with their feet, which have an increased blood supply, and the chicks keep warm by standing on their parents’ feet for the first month.
text: As a result, the booby uses its webbed feet, which have an increased blood supply, to incubate the eggs.