A huge swath of Pine Siskins (Spinus pinus) has overtaken states across the U.S. this past fall through winter in search of food. This is by far the biggest irruption year ever recorded.
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On Saturday, October 4, 22 birders awoke before sunrise, loaded into vans, and began our journey from Northern Virginia to Cape May, NJ, our eyes set on this faraway destination perfectly aligned with the Atlantic Flyway, one of the four “avian superhighways” in North America.
