Assertion: bat's life span | /r/HasProperty | long
Facets:
value: fairly
type: DEGREE
Source sentences:
text: Since bats have a fairly long life span (as long as 30 years in some species), the loss of one female bat has a major effect on the rate of reproduction.
text: Bats can have surprisingly long life spans.
text: This low reproductive rate is partially offset by their long life span.