Field Trip to Bracken Bat Cave

07/28/2026 6p-8:30p | Twenty million bats. One cave. Right here in San Antonio. Join the EarthCare Team for a field trip to Bracken Cave Preserve — home to the largest mammal colony on earth — and witness one of nature's most spectacular shows at dusk.
 
 
 
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07/28/2026 6p-8:30p
Twenty million bats. One cave. Right here in San Antonio. Join the EarthCare Team for a field trip to Bracken Cave Preserve — home to the largest mammal colony on earth — and witness one of nature's most spectacular shows at dusk.