Assertion: peregrine falcon | /r/HasProperty | documented nesting
Facets:
value: in rare cases
type: TEMPORAL
value: in trees
type: LOCATION
Source sentences:
text: In rare cases when other sites are unavailable, peregrines have been documented nesting in trees, using old eagle or hawk nests, or on broken snags, but they are not nest builders (Hickey 1969; Terres 1995).