The Crossbill Story, Part 5: by Tom Hahn: We left off last time with the swarm of Type 2s (and a few Type 4s) breeding in the winter/spring of 1989 using the big ponderosa cone crop at the Devils ...
NEWS/BLOG
A Crossbill’s Guide to Conifers in Western North America: A How-to for Finding Crossbills
by Caleb Centanni and Matthew Young:How do you find a crossbill in western North America? Well, you have to know what’s on the menu. And, like a restaurant, if you want to know what’s on the menu, you ...
FiRN 2025 Membership Newsletter
Hello Finch Fans,Thank you so much for your continued interest in FiRN — It has been greatly appreciated!As a non-profit, FiRN relies on support from individuals like you to continue our work studying ...
Earth Day Fundraising
Hello Finch Fans, We continued to raise funds this year to go towards purchasing more radio tags (i.e, nanotags) for the Evening Grosbeak Road to Recovery project, a student Evening Grosbeak project, ...
Crossbills and Conifers in the Adirondacks, NY 2024-2025: With Additional Notes on the Other Finches and Food Crops Across the Region
By Matt Young: Red crossbills (Loxia curvirostra) are the archetypal example of a taxon with high infraspecific diversity in traits including bill size and especially vocal characteristics. Currently, ...
Red Crossbills and the Cone Crop across the Adirondacks and Northeast 2023-2024: What will 2024-2025 bring?
Red Crossbill and the Cone Crop across the Adirondacks and Northeast 2023-2024: What will 2024-2025 bring?By Matthew Young and Nicolas Main: With the 2023-2024 cone crop year and the Type 2 and 4 Red ...