Assertion: bat's population | /r/CapableOf | number in million
Facets:
Source sentences:
text: Most species live in groups, and some form colonies with populations numbering in the millions, such as the Mexican free-tailed bat (Tadarida brasiliensis mexicana) colonies at Carlsbad Caverns National Park and in downtown Austin, Texas.
text: It has been estimated that the population of Mexican free-tailed bats once numbered in the millions but has declined drastically in modern times.