Assertion: magpie's diet | /r/MadeOf | ground-dwelling arthropods
Facets:
value: mainly
type: DEGREE
value: in trees
type: LOCATION
Source sentences:
text: The black-billed magpie is an opportunistic and omnivorous feeder, whose diet consists mainly of ground-dwelling arthropods, seeds and carrion, which it obtains on the ground in open areas, rarely in trees.