Mexican Free-tailed Bat (Tadarida brasiliensis), swarm in flight, Bracken Cave, San Antonio, Hill Country, Central Texas, USA

air america american animal animals antonio bat bat bats blue bracken brasiliensis cave central country day daylight daytime during exterior exteriors fauna flies flight flights fly flying free free tailed front hill in kingdom lot lots mammal mammalia mammalian mammalians mammals many mexican microchiroptera mid mid air midair nature nobody north numerous of outdoor photo photos san shot shots sky states swarm swarms tadarida tailed tetrapod texas the united us us american usa vertebrata vertebrate vertebrates wild wildlife world