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Cape May Red Crossbills

Authors Michael O’Brien & Tom Johnson: New Jersey’s Cape May peninsula has been well watched by birders for over a century, making it an excellent place to attain insight into the long-term ebb and flow Read More

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10,000+ Red Crossbill Recordings in Macaulay Library

Authors Tim Spahr and Matthew A. Young, DOCUMENTING AND RECORDING CROSSBILL CALLS: Macaulay Library has recently passed 10,000 red crossbill recordings (10,500+ actually) making it the most common (= highest number of recordings in collection) Read More

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Crossbills here, there, and everywhere

By Matthew A. Young and Timothy J. Spahr: This certainly has been an interesting year and an interesting fall. Hopefully the irruption of finches and what the Finch Research Network (FiRN) has been publishing about Read More