Introduction Homepage (U.S. National Park Service)

Mexican Free-Tailed Bat—largest concentrated groups of mammals in the world, can tolerate ammonia as high as 5000ppm. Pocketed Free-Tailed Bat—long, narrow wings. Big Free-Tailed Bat—likes moths, ants and crickets; communal in small groups of about 100. Western Mastiff Bat—largest bat in NM and USA; must free-fall at least 10 feet to ... ................
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