Assertion: world vulture | /r/CapableOf | maintain strong feet
Facets:
value: in order to carry large bones
type: PURPOSE
Source sentences:
text: The lammergeier (Gypaetus barbatus) is an aberrant cousin of the Old World vultures that has maintained strong feet in order to carry and drop large bones in order to crack them open to feed on bone marrow, their primary food, a technique they also sometimes use for live prey items, like tortoises.