Assertion: canvasback's bill | /r/CapableOf | eat fish
Facets:
value: primarily
type: DEGREE
Source sentences:
text: Species : Some ducks are specialized for particular types of food, such as mergansers with narrow, toothed bills that eat primarily fish.
text: : Some ducks are specialized for particular types of food, such as mergansers with narrow, toothed bills that eat primarily fish.