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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, August 7, 2025
Wednesday August 6, 2025
Frio 1:00 Bracken 1:08, Chiroptorium 1:16, SanPedro 1:22, OldTunnel SALutheran […]
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Thursday, August 7, 2025
Wednesday August 6, 2025
Flight: 8:44 pm Scouts: 8:38 pm -21 minutes after sunset (about at dark with the hazy sky) only…
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Wednesday, August 6, 2025
Tuesday August 5, 2025
Outflow boundary approaching the I-35 corridor from Gonzales to Smithville […]
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Wednesday, August 6, 2025
Tuesday August 5, 2025
Flight: 8:44 pm -22 minutes after sunset (8 mins before dark) ~37% of the colony flew 14 miles…
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Tuesday, August 5, 2025
Monday August 4, 2025
Bracken 0:56, Frio 1:18, Chiroptorium Randolph SanPedro 1:24, SMCenterpoint SALutheran […]
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Tuesday, August 5, 2025
Thursday August 7, 2025
8:25 pm – 8:55 pm  when conditions allow, i.e. when the atmosphere is stable, no pressure drops, no strong…
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Tuesday, August 5, 2025
Monday August 4, 2025
Flight: 8:36 pm -13 minutes after sunset (7 mins before dark on a Mostly Cloudy evening) a whopping…
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Monday, August 4, 2025
Sunday August 3, 2025
Seabreeze from Luling to Floresville heading NW at flight time, […]
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Monday, August 4, 2025
Sunday August 3, 2025
Flight: 8:36 pm -13 minutes after sunset (17mins before dark) only ~26% of the colony flew 12 miles…
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Sunday, August 3, 2025
Saturday August 2, 2025
Storms sweeping S across the Hill Country, outflow boundary moving […]
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