Assertion: black vulture | /r/CapableOf | track cathartes vultures
Facets:
value: for carcasses
type: PURPOSE
value: sometimes
type: TEMPORAL
Source sentences:
text: Black vultures (Coragyps atratus), king vultures (Sarcoramphus papa) and even mammalian scavengers may sometimes track Cathartes vultures for carcasses but the condor is invariably dominant among the scavengers in its range.