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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 →
Saturday, August 16, 2025
Friday August 15, 2025
Flight: 8:26 pm ~14 mins after sunset (10 mins before dark on a Partly Cloudy evening) ~30% of…
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Friday, August 15, 2025
Thursday August 14, 2025
Bracken 0:32, Frio 0:42, 410&IH35 1:08, Chiroptorium NewBraunfels TX28 1:14, […]
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Friday, August 15, 2025
Thursday August 14, 2025
Flight: 8:30 pm ~17 mins after sunset (just before dark on a Mostly Cloudy evening) only ~15% of…
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Thursday, August 14, 2025
Wednesday August 13, 2025
Storms heading down IH35 early with outflow boundary passing Bracken […]
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Thursday, August 14, 2025
Saturday August 16, 2025
8:15 pm – 8:45 pm  when conditions allow, i.e. when the atmosphere is stable, no pressure drops, no strong…
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Thursday, August 14, 2025
Wednesday August 13, 2025
Flight: 8:24 pm ~10 mins after sunset (10 mins before dark on a Mostly Cloudy evening) 1,533,290 took…
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Wednesday, August 13, 2025
Tuesday August 12, 2025
Outflow boundaries heading S from storms over Burnet and Uvalde […]
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Wednesday, August 13, 2025
Tuesday August 12, 2025
Flight: 8:14 pm At sunset (20 mins before dark on a Mostly Cloudy evening) 1,545,010 chased an outflow…
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Tuesday, August 12, 2025
Monday August 11, 2025
Storms subsiding out W as they move from Iraan to […]
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Tuesday, August 12, 2025
Monday August 11, 2025
Flight: 8:22 pm -6 minutes after sunset (well before dark) only ~26% of the colony flew – some…
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