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Irruption Alert: Evening Grosbeaks are moving in largest numbers in 20+ years

Irruption Alert: Evening Grosbeaks are moving in their largest numbers in 20+ years. By Tyler Hoar and Matthew Young: The Evening Grosbeak irruption for winter 2020-21 is well underway! Similar to the Fall months of Read More

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Irruption Alert: Remarkable Finch Records in the American South

By Ryan F. Mandelbaum: When Tyler Hoar’s new Winter Finch Forecast debuted, he predicted that this would be an exceptional winter for irrupting boreal birds. But no one expected a Common Redpoll to show up Read More

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Irruption Alert: Pine Siskins Are On The Move

by Ryan F. Mandelbaum After Tyler Hoar’s promising first Winter Finch Forecast, Pine Siskins have already started to push southward across the Eastern United States. While August had few reports of the bird outside of Read More