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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 →
Thursday, June 19, 2025
Wednesday June 18, 2025
Rucker 0:38, DavisBlowout 0:40, Bracken 0:46, Chiroptorium 1:00, Frio 1:20, […]
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Thursday, June 19, 2025
Wednesday June 18, 2025
Flight: 8:54 pm  Notes: ~20 minutes after sunset (~10 mins before dark) ~19% of the colony flew 8…
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Wednesday, June 18, 2025
Tuesday June 17, 2025
DavisBlowout Bracken 0:54, Chiroptorium 1:00, Rucker 1:02, Frio 1:24,Stuart 1:46, […]
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Wednesday, June 18, 2025
Friday June 20, 2025
8:40 pm – 9:10 pm when conditions allow, i.e. when the atmosphere is stable, no pressure drops, no…
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Wednesday, June 18, 2025
Tuesday June 17, 2025
Flight: 8:56 pm  Notes: ~22 minutes after sunset, only ~8% of the colony flew 8 miles NE (only…
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Tuesday, June 17, 2025
Monday June 16, 2025
Bracken 0:50, Rucker 1:06, Frio 1:14, Chiroptorium 1:16, DavisBlowout 1:24, […]
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Tuesday, June 17, 2025
Monday June 16, 2025
Flight: 8:54 pm  Notes: ~22 mins after sunset, ~20% of the colony flew 12 miles E on S…
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Monday, June 16, 2025
Sunday June 15, 2025
A strong line of storms continues S over US90E, Frio(40 […]
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Monday, June 16, 2025
Tuesday June 17, 2025
8:40 pm – 9:10 pm when conditions allow, i.e. when the atmosphere is stable, no pressure drops, no…
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Monday, June 16, 2025
Sunday June 15, 2025
Flight: 8:40 pm  Notes:~6 minutes after sunset ~15% of the colony flew 12 miles E (0% of those…
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