Beavers have a rightful reputation for increasing biodiversity in rivers and wetlands, but scientists have found that local bat populations have been found to benefit, too! Researchers studied eight streams with active beaver dams and found that bat activity increased by nearly 60%.
“According to the study, bats are drawn in by a combination of better habitat and more food. Beaver activity creates standing dead trees that bats use for roosting, along with more open, varied forest edges that make hunting easier. These areas also support larger numbers of insects, giving the bats a more reliable source of food.”
Posted: January 24, 2026