Home to the Mexican free-tailed bat, access to the area is available only through advanced reservations.

In the summer, the colony has up to 1.5 million Mexican Free-tailed Bats.

Mexican free-tailed bats are nocturnal foragers and begin feeding after dusk.

Mexican free-tailed bats use echolocation for navigation and detecting prey.

Bacardi is also the only brand to feature the Mexican free-tailed bat as its icon or logo.

The Mexican free-tailed bat is the official "flying mammal" of the state of Texas.

Additionally, Mexican free-tailed bats are also efficient pollinators.

The Mexican free-tailed bat is one of the most widespread mammals in the Western Hemisphere.

Since the list of flying mammals native to Texas is fairly short, the mammal chosen was the Mexican free-tailed bat.

Mexican free-tailed bats roost primarily in caves.

Mexican free-tailed bats are primarily insectivores.

Every year up to 1.5 million Mexican free-tailed bats make their home upon a platform beneath the Congress Ave Bridge.

The area is home to some of the largest colonies of bats in the world, including millions of Mexican free-tailed bats.

Large numbers of Mexican free-tailed bats fly hundreds of meters above the ground in Texas to feed on migrating insects.

The lure is a 5,000-year-old nightly ritual: the dramatic fly-in of thousands of Mexican free-tailed bats from their appointed rounds.

Carved by water erosion, the cavern is home to several million Mexican free-tailed bats who emerge at sunset during April through October.

Seventeen species of bats live in the park, including a large number of Mexican Free-tailed Bats.

It has been estimated that the population of Mexican Free-tailed Bats once numbered in the millions but has declined drastically in modern times.

Bat bomb, a U.S. project that used Mexican Free-tailed Bats to carry small incendiary bombs.

In 2006, it purchased Cueva de la Boca, a cave near Monterrey that is home to a large population of Mexican free-tailed bats.

An estimated 20 million Mexican Free-tailed Bats roost in the cave from March to October making it the largest known concentration of mammals.

Two very important technological important breakthroughs occurred within the state, along with one comical, but interesting, incident involving the use of Mexican free-tailed bats as a weapon.

The little and the big brown bats are common throughout the northern two-thirds of the country, while the Mexican free-tailed bat is the most common species in the southwest.

The Mexican Free-tailed Bats are present from April or May to late October or early November.

The ten million adult Mexican free-tailed bats in Bracken Cave remove one hundred tons of tiny insects from the skies of Texas every night.

ARKive - images and movies of the Brazilian free-tailed bat (Tadarida brasiliensis)

Affiliated with the Central Hockey League, the team was named in honor of the Mexican Free-tailed Bats (Tadarida brasiliensis) which nest under the Ann W. Richards Congress Avenue Bridge in the city.