Assertion: bison | /r/HasProperty | millions of animals
Facets:
value: no longer
type: TEMPORAL
Source sentences:
text: Because there are no longer millions of animals migrating across the plains, the bison is considered ecologically extinct but conservation herds of 1,000 or more bison are being established to create a metapopulation, allowing for the species to once again play an important ecological role on our prairie grasslands.