Topic: caves

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The Bat Emergence at Bracken Cave in the Texas Hill Country

Watch an estimated 20 million Mexican Free-tailed Bats (tadarida brasiliensis) swirl up, up, and out of Bracken Bat Cave in this comprehensive report by Texas Country Reporter Bob Phillips. We also get a peek inside t...

Underwater footage from Fiji & Tonga

Underwater footage shot whilst scuba diving in the Fiji islands and Tonga. Featuring colorful coral reefs, huge schools of tropical fish, sharks, humpback whales, underwater caves, scuba divers and much more marine ...

BBC Planet Earth: Glow Worms

What a beautiful trap! These glow worms make a sparkling net on the cave ceiling, perfect for catching flying insects, in this clip from the BBC's Planet Earth: Caves. From Wikipedia:  Arachnocampa is a genus of fo...