Assertion: black footed ferret | /r/HasProperty | designated endangered species
Facets:
value: in 1967
type: TEMPORAL
value: a member of the mustelid
type: OTHER
Source sentences:
text: The black-footed ferret, the only ferret species native to North America, was designated an endangered species in 1967.
text: A member of the mustelid, or weasel, family and the only ferret species native to North America, the black-footed ferret was designated an endangered species in 1967.