Assertion: walrus | /r/CapableOf | feed invertebrate
Facets:
value: by using their whiskers
type: MANNER
value: mainly
type: DEGREE
Source sentences:
text: Walruses feed mainly invertebrates: crustaceans, mollusks and worms.
text: -- They eat mollusks and other invertebrates by using their whiskers to feel around in the sediment at the seafloor around 95 feet deep.