BirdCast’s Live Migration snapshot at 12 May 2026, 10:50pm EDT (from birdcast.org, Univ. of Illinois, Purdue & Cornell Lab of Ornithology) 13 May 2026 While we slept 3.88 million birds flew over Allegheny County last night! BirdCast’s Migration Dashboard as of 5:20am shows a huge jump in migration. portion of screenshot: BirdCast Migration Dashboard for Allegheny County, PA. Data for the night of 12 May 2026, 5:20am Here’s the rest of BirdCast’s Migration Dashboard for Allegheny County, PA showing data at 5:20am while the birds were still flying before dawn. screenshot from BirdCast Migration Dashboard for Allegheny County, PA. Data for the night of 12 May 2026, 5:20am Will this huge amount of bird traffic translate into a lot of birds today? I have two answers to this. Not a lot of birds: It seems that high migration means birds pass over and don’t land *and* that birds we had yesterday decided to leave. Interestingly, the Flight Direction and Speed graph shows fewer birds in flight…
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