Assertion: marsh harrier | /r/CapableOf | feed on ground birds
Facets:
value: mainly
type: DEGREE
Source sentences:
text: The swamp harrier mainly feeds on ground birds and waterbirds, rabbits and other small mammals, reptiles, frogs, and fish.
text: The Swamp Harrier mainly feeds on ground birds and waterbirds, rabbits and other small mammals, reptiles, frogs and fish.