Add Yahoo as a preferred source to see more of our stories on Google. Bracken Cave in Texas is home to 15-20 million Mexican free-tailed bats. Female bats head to the cave every year to give birth.

Bracken Cave, west of New Braunfels, yawns from the side of an ancient sinkhole providing an entrance to an underground home for millions of bats. As darkness descends over the rugged landscape, the ...

A version of this story ran in the July / August 2026 issue. The gaping mouth of Bracken Cave, created when limestone collapsed into a sinkhole in this rocky patch of Hill Country millennia ago, ...

BIG BEND NATIONAL PARK — Loren Ammerman’s first experience dealing with bats came as a college student joining a summer class in wildlife research. “There was a summer course that went to the ...

Every evening, millions of bats swarm out of a single cave in Texas, making it one of the most stunning natural phenomena to witness. The colony is so huge that it turns the sky black as they begin ...