From Field and Study: The eastern distributional limits of the Anna's hummingbird in winter
van Rossem AJ. 1945. From Field and Study: The eastern distributional limits of the Anna's hummingbird in winter. The Condor. 47(2):79-80
The author mentions that 'as long ago as 1915, George Willett (Condor, 17, 1915:102) found the species 'plentiful during [his] entire stay' at Roosevelt Lake from November 30 to February 3, but his record seems to have been overlooked.
- Type
- Journal Article
- Authors
- van Rossem, A.
- Units
- SODN , TONT
- Keywords
- Anna's Hummingbird, Arizona, Avian Management, Birds, Calypte anna, Gila County, Inventory And Monitoring, Ornithology, Resource Management (Planning), Roosevelt Lake, Species Abundance, Trochilidae