1.5 Million Large Bat Colony Under Bridge in Austin, Texas

1.5 million large bat colony under bridge in Austin, Texas by BinauralAirwaves

The Congress Avenue Bridge in Austin Texas is home to approximately 1.5 million bats that emerge to forage for food at dusk. It is the largest urban bat colony in North America. I was in Austin in the Summer of 2009 and recorded the bat sounds underneath the bridge.

Aaron