Cristian Dimitrius und Fran Hutchins haben tausende Fledermäuse dabei beobachtet, wie sie ihre Höhle in San Antonio, Texas, verliessen und in den Sonnenuntergang flogen…

Bracken Cave is the summer home of the world’s largest bat colony. With millions of Mexican free-tailed bats living in the cave from March thru October, Bracken holds one of the largest concentration of mammals on earth. The emergence of these millions of bats, as they spiral out of the cave at dusk for their nightly insect hunt, is an unforgettable sight.

GoPro: One Million Bats