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Irruption Alert: The Irruptive Evening Grosbeak of the West

Irruption Alert: The Irruptive Type 1 Evening Grosbeak of the West: By Matthew J. and Silvester Williams; Photos by Silvester Williams. The predicted Type 3 Evening Grosbeak irruption in the eastern US is going on Read More

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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