Assertion: ring necked duck | /r/CapableOf | dive in shallow water
Facets:
value: to feed on the tubers
type: PURPOSE
Source sentences:
text: Ring-necked ducks dive in shallow water to feed on the tubers, seeds and leaves of moist-soil and aquatic plants (pondweeds, coontail, water milfoil, hydrilla, sedges, grasses, wild rice, etc.).