Bats

Utah is home to 18 species of bats, the only mammals capable of true flight. They are found throughout the state and roost in caves, mines, hollow trees, cliffs and buildings, depending on the species. The largest, the big free-tailed bat, has a 17-inch wingspan but weighs under an ounce; the smallest, the western pipistrelle, is about the size of a hummingbird.

Bats find flying insects by echolocation and eat mostly insects. Most Utah species stay year-round and hibernate; some migrate south. Females gather in nursery colonies in late spring, and pups are born in May or June. All bat species are protected by Utah law.

Never touch a bat with bare hands. Rabies occurs in less than 1% of bats, but any bat that acts strangely, is out by day or is easy to catch should be avoided. If a bat bites a person or pet, get medical care right away. Bats in a building should be excluded in the fall, not while pups are inside.