Brazilian free-tailed bats in flight as they emerge from a cave. (Photograph by Jonathan Reichard, Boston University) Radar reflectivity of bats emerging from Frio Cave in Texas derived from the SOAR ...

VALDE — Standing outside the gaping hole of Frio Cave, Thomas Kunz beamed his headlamp at a small gray bat with broad ears and a naked tail that he carefully held with his gloved fingers. Behind ...

A Google search for "Frio Cave" makes the Uvalde County, Texas destination look like a tourists' dream. One quickly learns that the cave is home to tens of millions of Mexican free-tailed bats, and ...

In mid-June each female in the cave gives birth to a single baby. In the 1960s it was believed that the baby bats were so crowded together in Frio Cave that the mothers nursed the babies ...

A Google search for "Frio Cave" makes the Uvalde County, Texas destination look like a tourists' dream. One quickly learns that the cave is home to tens of millions of Mexican free-tailed bats, and ...

Frio Bat Cave in southern Texas is the spring and summer home of about 10 million Mexican free-tailed bats. Most nights around sunset, bats fly out in a coordinated stream to feed on moths.

The Frio has disappeared here on the Dripstone Ranch, flowing straight into the Edwards Aquifer, making the river a major source of the eventual San Antonio water supply, some 90 miles away.

When Don and Debbie Davis bought Seco Valley Ranch in 1998, they loved the remote and rugged land, the creeks that ran through it and the spectacular view of the night skies, unmarred by light ...