The architectural accident
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The August explosion
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The Mexican free-tailed bat's journey
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From pests to protectors
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YOUR GOAL
Master of Why Austin's bridge bats take flight in August
sonia The Architectural Accident
One inch of space, An accidental place, A million wings take flight!
Bridge crevices: The expansion joints under the Congress Avenue Bridge are exactly 0.75 to 1.5 inches wide, which is the precise size Mexican free-tailed bats prefer for squeezing into.
A narrow opening or fissure, especially in a rock or wall. Renovations to the Congress Avenue Bridge in 1980 created concrete crevices that unintentionally attracted migrating bats.
What material was used in the Congress Avenue Bridge that helps retain heat for the bats?
Which water body lies directly beneath the Congress Avenue Bridge, providing water for the bats?
What is the width range of the expansion joints under the Congress Avenue Bridge that bats prefer?
How did Austin residents initially react when the bat colony first established itself in 1981?




