Assertion: peregrine falcon's population | /r/CapableOf | exhibit large-scale declines
Facets:
value: in the mid-1900s
type: TEMPORAL
value: throughout the world
type: LOCATION
Source sentences:
text: Peregrine populations exhibited large-scale declines throughout the world in the mid-1900s primarily because pesticide contamination (mainly DDT) affected normal nesting success.