Assertion: tern | /r/CapableOf | feed on insect
Facets:
value: sometimes
type: DEGREE
Source sentences:
text: ) 2 of 4 Least terns feed on small fish, crustaceans and insects.
text: Terns sometimes eat insects, but the bulk of their diet consists of crustaceans and small fish, which they catch by diving through the air and plunging into the water.
text: Least terns feed on small fish, crustaceans and insects.