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Bat Flight History

Flight Prediction Archive

Every evening's bat flight prediction at Congress Avenue Bridge, documented by Austin Bat Refuge staff.

All Posts

Tonight's Prediction →
Sunday, August 3, 2025
Saturday August 2, 2025
Flight: 8:26 pm -2 minutes after sunset (12 mins before dark on a Mostly Cloudy evening) ~63% of…
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Saturday, August 2, 2025
Friday August 1, 2025
Widespread storms moving S across the Hill Country, outflow boundary […]
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Saturday, August 2, 2025
Monday August 4, 2025
8:20 pm – 8:50 pm  when conditions allow, i.e. when the atmosphere is stable, no pressure drops, no strong…
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Saturday, August 2, 2025
Friday August 1, 2025
Flight: 8:28 pm -3 minutes after sunset (17 mins before dark) ~43% of the colony flew 12 miles…
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Friday, August 1, 2025
Thursday July 31, 2025
ChiroptoroiumScouts 0:18, Bracken 0:32, MysticShores 0:54, Frio 1:00, Chiroptorium 1:14, […]
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Friday, August 1, 2025
Thursday July 31, 2025
Flight: 8:30 pm -4 minutes after sunset (26 mins before dark) ~22% of the colony flew – some…
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Thursday, July 31, 2025
Wednesday July 30, 2025
Chiroptorium 0:32, Bracken 0:46, Frio 0:54, JamesRiver 1:10, McNeil 1:16, […]
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Thursday, July 31, 2025
Friday August 1, 2025
8:20 pm – 8:50 pm  when conditions allow, i.e. when the atmosphere is stable, no pressure drops, no strong…
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Thursday, July 31, 2025
Wednesday July 30, 2025
Flight: 8:34 pm Scouts: 8:28 pm -8 minutes after sunset (16 mins before dark) ~23% of the colony…
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Wednesday, July 30, 2025
Tuesday July 29, 2025
Chiroptorium 0:44, Bracken 0:50, Frio 1:02, McNeil 1:16, DavisBlowout 1:34, […]
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