Original ResearchPublished 7 May 2026Flight call variation and vocal repertoire in the Hooded Grosbeak Hesperiphona abeilleiCaleb T. Centanni · William M. Kirsch · Matthew A. Young · W. Douglas RobinsonFrontiers in Bird Sciencedoi 10.3389/fbirs.2026.1770412
Original ResearchPublished 25 February 2026Flight calls of Eastern and Western Purple Finches (Haemorhous purpureus) are diagnostically differentW. Douglas Robinson · Y. Kuang · L. M. Wigger · Thomas P. Hahn · Matthew A. YoungFrontiers in Bird Sciencedoi 10.3389/fbirs.2026.1770303
Original ResearchPublished 5 February 2026Ranges of Evening Grosbeak (Hesperiphona vespertina) call types 1 and 2 documented from community science and targeted placement of automated recordersWilliam M. Kirsch · Thomas P. Hahn · Matthew A. Young · W. Douglas RobinsonFrontiers in Bird Sciencedoi 10.3389/fbirs.2026.1671357
Bird SciencePublished 8 August 2025Quantitative analysis of the flight calls and trills of Evening Grosbeaks (Coccothraustes vespertinus)William M. Kirsch · Caleb T. Centanni · Song Han Ngo · Matthew A. Young · Thomas P. Hahn · W. Douglas RobinsonFrontiers in Bird Sciencedoi 10.3389/fbirs.2025.1613273
