Massive bird migration event to take place over Pittsburgh area Monday night

A “high intensity” bird migration event is expected to cross the Pittsburgh area Monday, with the possibility of more than 50,000 birds per square mile flying south.

Massive bird migration event to take place over Pittsburgh area Monday night
SNETTISHAM, ENGLAND – NOVEMBER 24: A flock of waders, (predominantly knot) swirl above the Wash Estuary as the tide recedes revealing mudflat below on November 24, 2018 in Snettisham, United Kingdom. (Photo by Dan Kitwood/Getty Images) (Dan Kitwood/Getty Images)

According to BirdCast, a collaboration between the EPA, the National Audubon Society, Cornell Lab of Ornithology, and other institutions, the birds will be in the sky above Pittsburgh around 7 p.m. Over Philadelphia, there could be more than 41,000 birds and over Harrisburg, there could be more than 50,000.