OldTunnel 0:22, Chiroptorium 0:36, McNeil 0:56 before purple martins settle in roost at GreenlawnCrossing, Bracken 0:58, Huber 1:12, SanMarcos 1:14, SanMarcos 1:18, SMCenterpoint NewBraunfels SCUCISD SchertzClemens Randolph TX28 410&IH35 SanPedro SALutheran 1:24, WellsBranch Seguin 1:26, Frio 1:28, Wimberley Camden 1:30, Congress(Starting at 6 minutes after sunset (~20 minutes before dark on an evening with A Few Clouds) a snapshot at 8:58 pm showed 289,224 in flight – some heading 14 miles ESE with most heading 8 miles NNE – 25% of the total heading SE at altitude) 1:32, NLamar Crestwood&IH35 ABIA 1:32, Buda Lockhart 1:34, Dittmar Creedmor MustangRidge SMRB(Slayden) Floresville 1:38, Temple 1:40, BeeCavePark NuecesRR FosterRd SanAngelo GrapeCreek 1:46,