So far this season, the largest migration surge was on Sept. 17, when more than 52 million birds migrated over Wisconsin.
Radar estimates suggest more than 1.2 billion birds took to the skies on Sept. 25 – the largest surge of the season – for fall migration.
AeroEco Lab recommends that people “dim or turn off non-essential outdoor lighting from 11 p.m.-6 a.m. and close shades to ...
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