Huw Cordey / Mexican free-tailed bats (Tadarida brasiliensis) emerging from Bracken Cave, Texas. Over 15 million bats are thought to live in this cave, making it the greatest concentration of mammals on the planet...
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Philip Dalton / Mexican free-tailed bats (Tadarida brasiliensis) flying from / to Bracken Cave and Echert James Bat Caves, Texas, USA
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Philip Dalton / Mexican free-tailed bats (Tadarida brasiliensis) flying from Bracken Cave and Echert James Bat Caves, Texas, USA
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Philip Dalton / Red tailed hawk {Buteo jamaicensis} flying amongst and predating on Mexican free-tailed bats (Tadarida brasiliensis) flying from / to Bracken Cave and Echert James Bat Caves, Texas, USA
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Philip Dalton / Red tailed hawk {Buteo jamaicensis} flying amongst and predating on Mexican free-tailed bats (Tadarida brasiliensis) flying from / to Bracken Cave and Echert James Bat Caves, Texas, USA
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Karine Aigner / Woman with arms in air enjoying emergence of millions of Mexican free-tailed bats (Tadarida brasiliensis) at dusk. Bracken Bat Cave, San Antonio, Texas. June 2016.
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Karine Aigner / Mexican free-tailed bat (Tadarida brasiliensis) on a glove. Bracken Cave Preserve, San Antonio, Texas, USA, July.
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Karine Aigner / Tourists viewing Mexican free-tailed bats (Tadarida brasiliensis) leaving maternity colony at night to feed. This viewing is organized by Bat Conservation International. Bracken Cave, San Antonio, Tex...
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Karine Aigner / Tourists viewing Mexican free-tailed bats (Tadarida brasiliensis) leaving maternity colony at night to feed. This viewing is organized by Bat Conservation International. Bracken Cave, San Antonio, Tex...
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Karine Aigner / Tourists viewing Mexican free-tailed bats (Tadarida brasiliensis) leaving maternity colony at night to feed. This viewing is organized by Bat Conservation International. Bracken Cave, San Antonio, Tex...
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Karine Aigner / Children learning about Mexican Free-tailed bats (Tadarida brasiliensis), and make 'bat masks' while waiting for the bats to emerge at Bracken Cave. Bracken Cave Preserve, San Antonio, Texas, USA. Jul...
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Karine Aigner / Tourists viewing Mexican free-tailed bats (Tadarida brasiliensis) leaving maternity colony at night to feed. This viewing is organized by Bat Conservation International. Bracken Cave, San Antonio, Tex...