Assertion: penguin's behavior | /r/CapableOf | prove fatal
Facets:
value: for penguin species
type: TRANSITIVE-OBJECT
Source sentences:
text: This defenseless behavior might have proved fatal for penguin species, as it did for other flightless birds such as the dodo and the great auk, wiped out centuries ago by ship crews who took them for food.
text: This defenseless behavior might have proved fatal for penguin species, as it did for other flightless birds such as the dodo and the great auk, wiped out centuries ago by ship crews who took them for food.