Sunday, May 23, 2021

Tweet from Team BirdCast (@DrBirdCast) cruising altitude

Team BirdCast (@DrBirdCast) tweeted at 8:33 PM on Sat, May 22, 2021:
Birds have a sixth sense for finding a cruising altitude with a nice tail wind. This week they climbed HIGH, aggregating in complex high-altitude migration layers. Here a nice example for PA. https://t.co/LQTmppu8P0
(https://twitter.com/DrBirdCast/status/1396262859449962499?s=03)

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