Assertion: peregrine falcon's population | /r/CapableOf | use tree nests
Facets:
Source sentences:
text: The usual nest is a mere scrape on a ledge high on a cliff, but a few populations use city skyscrapers or tree nests built by other bird species.
text: The usual nest is a mere scrape on a ledge high on a cliff, but a few populations use city skyscrapers or tree nests built by other bird species.