"Citizen scientists" in southern Arizona who have been documenting bat activity in their own yards helped the U.S. Fish and ...

The Houston Humane Society says the Mexican free-tailed bats that live under the Waugh Bridge survived the storm.

On one side of the drain a sign says “No Trespassing” and on the other side there’s a sign with facts about Mexican free-tailed bats. The bats are visitors to Phoenix for the summertime ...

Bat colonies can reach truly enormous sizes, some with millions of bats pouring out to feed each night, and one cave in Texas has the largest of them all.

Mexican long-nosed bats have been identified in southeastern Arizona through citizen scientist efforts and innovative DNA technology.

Bats produce at least 15 distinct sounds, which allow them to communicate with roost-mates and use echolocation to hunt for insects in the dark. New research shows that Mexican free-tailed bats ...

Every summer between May and October, as they migrate south toward Mexico, a colony of some 20,000 Mexican free-tailed bats make a flood control tunnel their temporary nesting spot. That means ...