By Tyler Hoar and Matthew A. Young: With August reports of spotty berry crops across the eastern Boreal forest, we knew there would be at least a small movement southward of Pine Grosbeaks. What was Read More
Tag: #irruptions
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
By Ryan F. Mandelbaum: On Sunday, October 11, Astronomer and Field Ornithologist Timothy Spahr captured sounds almost never heard in recorded history: the raspy call notes of Pine Siskins migrating at night. This month, these Read More