By Ryan F. Mandelbaum:Dedicated finch fans know that it’s worth scanning every Common Redpoll flock for their frostier, even more boreal cousin: the Hoary Redpoll. Telling the two species apart can be ...
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The Redpoll Complex: Redpolls, redpolls, redpolls…….and the usual cautionary tales.
By Matthew A. Young:One of the things we, the Finch Research Network (FiRN), plan to do for the birding and ornithological communities, is to help with tough finch identifications, and there’s ...
All About Green Morph Pine Siskins
By Ryan F. Mandelbaum and Matthew Young:Pine Siskins are hard to come by in much of the country during most winters, but this past fall’s irruption has made them regulars at many local birding spots, ...
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 ...
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 ...
Irruption Alert: Cassin’s Finches, Western Wanderers Visit the Plains & Lowlands
By Matthew J. and Silvester Williams:Last October (2019), we took a drive up to about 8,000’ in Wasatch County, Utah and found Cassin’s Finches frolicking in the already-snowy spruces as one might ...