Purpose is to provide a stable, long-term home for Evening Grosbeak research over a broad front: field observations, recordings, assortative mating and call type delineation by sound, range and DNA. Provide information to the scientific community on the validity of call types and potential full-species separations for flight call types. One purpose would be to serve as arbiters of flight call determination via audiospectrographic analysis for this North American species.
Also see: Tracking Irruptive Movements of Wintering Evening Grosbeaks (Coccothraustes vespertinus) from Western Pennsylvania
Go to species account: LINK
If you would like to know more about or want to contribute to this project, please get in touch with Matt