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A Lesser-Known Irruption Is Occurring in the West

By Ryan F. Mandelbaum: While finch fans are experiencing a banner year for boreal birds in the Eastern United States, birders in the West have their own finches on the move. Lawrence’s Goldfinches are the Read More

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Irruption Alert: Redpolls Ride South In Perhaps Their Largest Push In Almost A Decade

By Tyler Hoar and Matthew Young: Redpolls are on the move this winter, and we’re perhaps looking at their biggest push south in almost a decade. Why is this, you ask?  Redpolls follow birch and 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