Assertion: california condor | /r/AtLocation | the verge of extinction
Facets:
Source sentences:
text: Due to a number of factors, including lead poisoning, the California condor was on the verge of extinction in the 1980s.
text: The California Condor was once on the brink of extinction
text: Due to a number of factors, including lead poisoning, the California condor was on the verge of extinction in the 1980s.