Question: The Wanhsien tiger were driven to extinction in Asia by a tiger subspecies that has been listed as Critically Endangered on the IUCN Red List since when ?
Sentence (from "South China tiger"): It has been listed as Critically Endangered on the IUCN Red List since 1996, and is possibly extinct in the wild since no wild individual has been recorded since the early 1970s.
Relevant evidence: Yes