During the summer months in Tucson, thousands of Mexican Free-tail bats migrate up from Mexico and establish a presence under bridges in town, one of the more prominent spots is the Pantano Wash Bridge on Tucson's east side. Every evening at sunset, they can be seen as a swirling dark cloud before going out to feed. It has become a natural phenomenon for residents and visitors to experience.
Producer/Editor: John DeSoto
Videographers: John DeSoto, Gage Judd
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