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Beware: Salmonella in Irruptive Finches

Author Ryan F. Mandelbaum: This winter’s superflight of irruptive finches has been especially rewarding for many of us with bird feeders, as flocks of Pine Siskins, Common Redpolls, Evening Grosbeaks and other boreal visitors have Read More

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Flight Directions of Boreal Finches in the Irruption of 2020

by Bill Evans: As this year’s broad-spectrum finch irruption expanded, I happened to be taking a daily core sample of morning flight activity from a vista walking distance from my home, ~8 miles south of Read More

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Irruption Alert: Hoary Redpolls Are All Over And Here’s How to Find Them

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 tricky, but Read More