subspecies - Avian Conservation and Ecology

Field research guided by citizen science and monitoring data reveal a novel alpine breeding distribution and vegetation associations of a declining, habitat-specialist songbird in Colorado, USA PDF

Aaron A. Yappert, Andrew W. Jones, Brett L. Walker, Christen M. Bossu, Courtney L. Brennan
Taxonomy and distribution of the imperilled Newfoundland Gray-cheeked Thrush, Catharus minimus minimusPDF

Alyssa M. FitzGerald, Darroch M. Whitaker, Ian G. Warkentin, Jeremy J. Kirchman, Joel Ralston