This work was supported by the Joint Research Project of Three-River Headwaters National Park, Chinese Academy of Sciences and the People’s Government of Qinghai Province (LHZX-2020-11),</stro
Mean, standard error, and range of values for morphological measurements of male Swainson's Warblers (n = 278) captured at White River National Wildlife Refuge and Saint Francis National Forest, 2005–
