Billion-Bat Caves: America's Megacolonies

The greatest numbers on Earth: Bracken Cave's 40-million-strong colony, Austin's Congress Avenue swarm and the night the bridges turned into rivers of bats.

Playlist by @bat_colony_docs

10 tracks, shared on Audicious.

1. World's largest bat colony - over 40 million bats - BBC wildlife — BBC Studios
2. Visiting the Largest Bat Colony on Earth! — Be Smart
3. Bracken Cave: Home to the world's largest bat colony — Earth Touch
4. World’s largest bat colony, 15-20 million strong, emerges from Texas cave in 360 — VRtually There
5. Millions of bats emerge from cave in Bracken — KENS 5: Your San Antonio News Source
6. Bracken Bat Cave — Texas Parks and Wildlife
7. Bracken Cave Preserve — Bat Conservation International
8. "They're everywhere!": Inside the world's largest bat colony — CBS News
9. Two million bats swarm over bridge in Austin, Texas — Rumble Viral
10. A Postcard from the Field: The Bats of Austin | Dateline NBC — Dateline NBC