The Austin skyline burst open as 1.5 million Mexican free-tail bats exit the Congress Avenue Bridge over Lady Bird Town Lake for their nightly flight

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The Austin skyline burst open as 1.5 million Mexican free-tail bats exit the Congress Avenue Bridge over Lady Bird Town Lake for their nightly flight.jpg

The Congress Avenue Bridge is home to the largest urban bat colony in North America with up to 1.5 million bats spiraling into the summer skies. Austin's bat colony is the most unusual and fascinating tourist attractions in the world.

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