It you visit the Park during the the Bat season, the bat flight is truly something to witness. Unforunately, we were not there during the bat season (summer) therefore we got to see the Cave swallows which we really wondeful themselves.
No pictues allowed during dusk viewings since the flash confuses the bats.
Every night from mid May to mid October up to 300,000 Mexican free-tail bats emerge from the caverns at dusk to feed on flying insects. Once they've had their fill the bats return to the caverns at dawn. They reside in an area of the caverns not open to the public.
Visitors can watch them from an ampitheater constructed at the natural entrance.
Just entering the cave, you have officially entered the "nighlife" of Carlsbad! LOL Really, at dusk, if you sit outside the natural entrance of the cave, you can see the bats come flying out for the nighttime feeding. There are literally thousands of them, and the bats is one of the reasons that the cave was discovered. So, it ain't no dance club, but natures way of getting you excited!
Be there just before sunset, and prepare to see and hear the most awesome display as thousands and thousands of Mexican Freetail bats depart from the caverns each evening at dusk. Digital camera and camcorders are best for capturing this sight in action.
Dress Code: No dress code.