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.

Deep in the heart of Texas, deep inside a cave, millions and millions of Mexican free-tailed bats roost together. One square foot of the cave's ceiling can contain more than 500 of them. When it comes ...

BEXAR COUNTY, Texas — Very few have experienced it. Most don't know it exists. About two miles down a dirt road, west of Natural Bridge Caverns, is the largest bat colony in the world: Bracken Bat ...

Ariana is the assistant news editor of Chron. Her stories focus on space, wildlife, and any weird happenings in Texas. She previously covered community news and breaking news at the Austin ...

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 ...