Assertion: black winged kite | /r/HasAspect | rounded undersides
Facets:
value: on the nails of its talons
type: LOCATION
Source sentences:
text: But Vigors noted that only the black-winged kite had rounded undersides on the nails of its talons, a trait found in the osprey but not in any other raptors, and thus suggested a separation of Elanus into two sections.(p333)