The sound of cicadas humming gives way to high-pitched squeaking. ... The storm tunnel, dubbed the “Phoenix Bat Cave” on Google Maps, runs alongside the Arizona Canal near North 37th Place.

A huge swarm of bats flying out of a massive Mexican cave in unison has gone viral on Reddit.. The video, posted to Reddit by user u/Erne385291 and originally put online by Twitter user ...

GOLDSHTEIN: Twenty-five bats a second emerge from the cave. CHANG: But unlike our human highways, collisions are rare. KELLY: Well, Goldshtein and her team wanted to know why.

As the bats return to their maternity cave at dawn, the mothers are able to locate their pups by recognizing the sound of their voices. Each bat lives an estimated 12 to 14 years, experts say.

The Phoenix bat cave offers a summertime home for Mexican free-tailed bats and a nightly show for visitors. ... The sound of cicadas humming gives way to high-pitched squeaking.