Assertion: new caledonian crow | /r/CapableOf | form crude cutting tools
Facets:
value: from stalks of grass
type: TRANSITIVE-OBJECT
value: from stiff leaves
type: OTHER
Source sentences:
text: Construct and use tools effectively; for example, the New Caledonian Crow has formed crude cutting tools from stiff leaves and stalks of grass; they have also been observed to drop very hard nuts into a street and wait for them to be crushed by passing cars.