Assertion: peregrine falcon's nest | /r/AtLocation | open ledges
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: The nest is a scrape, usually placed on open ledges, holes, or recesses of either igneous or sedimentary rock, or in loose soil, sand or vegetation, with no added nesting material, also, rarely in hollows of old trees 50-90 feet up.