Assertion: turkey vulture's population | /r/CapableOf | drop over past three decades
Facets:
value: to 10,000
type: OTHER
value: from many as 90 million
type: OTHER
value: drastically
type: MANNER
Source sentences:
text: Certain populations dropped drastically over the past three decades from as many as 90 million to only 10,000 today, making them critically endangered worldwide.