[Length 5.5 in. Wingspan 9.25 in.]

This "Audubon's" Yellow-rumped Warbler was photographed at Florey Park, Andrews County, Texas, USA. Photo taken with a Nikkor 300mm EDAF-S VR f2.8 lens + Nikkor TC14E II 1.4x Teleconverter (EFL=630mm) on a Nikon D200 camera. (Date: December 5, 2007)

[Length 5.5 in. Wingspan 9.25 in.]

This "Audubon's" Yellow-rumped Warbler was photographed at Lake Balmorhea, Balmorhea, Texas, USA. Photo taken with a AF-S VR Nikkor 300mm f/2.8G IF-ED lens + Nikkor TC20E II 2.0x Teleconverter (EFL=900mm) on a Nikon D200 camera. (Date: December 19, 2008)

[Length 5.5 in. Wingspan 9.25 in.]

This "Audubon's" Yellow-rumped Warbler was photographed at the Andrews Bird Viewing Trail, Andrews, Texas, USA. Photo taken with a AF-S VR Zoom-Nikkor 70-300mm f/4.5-5.6G IF-ED lens (EFL=450mm) on a Nikon D200 camera. (Date: October 16, 2009)

[Length 5.5 in. Wingspan 9.25 in.]

This "Audubon's" Yellow-rumped Warbler was photographed at the Convention Center gardens, South Padre Island, Texas, USA. Photo taken with a AF-S VR Zoom-Nikkor 80-400mm f/4.5-5.6G IF-ED lens on a Nikon D3200 camera. (Date: April 15, 2013)

[Length 5.5 in. Wingspan 9.25 in.]

This "Audubon's" Yellow-rumped Warbler was photographed at Sequoia National Forest, California, USA. Photo taken with a AF-S VR Zoom-Nikkor 80-400mm f/4.5-5.6G IF-ED lens on a Nikon D7100 camera. (Date: July 2, 2013)

[Length 5.5 in. Wingspan 9.25 in.]

This male Yellow-rumped (Audubon's) Warbler was photographed at Bryce Canyon National Park, Utah, USA. Photo taken with a AF-S VR Zoom-Nikkor 80-400mm f/4.5-5.6G IF-ED lens on a Nikon D7100 camera. (Date: June 24, 2016)

[Length 5.5 in. Wingspan 9.25 in.]

This female Yellow-rumped (Audubon's) Warbler was photographed at Bryce Canyon National Park, Utah, USA. Photo taken with a AF-S VR Zoom-Nikkor 80-400mm f/4.5-5.6G IF-ED lens on a Nikon D7100 camera. (Date: June 24, 2016)

[Length 5.5 in. Wingspan 9.25 in.]

The "Myrtle" race of the Yellow-rumped Warbler, which has a white throat, breeds across much of southern Canada and Alaska and in the northern US from Minnesota east to Maine. The "Audubon's" race of the Yellow-rumped Warbler, which has a yellow throat, breeds throughout the western US, western Canada, and southern Alaska. Each race is common in migration and winter in the southern US in their respective eastern (Myrtle) and western (Audubon's) ranges. This stunning male "Myrtle" Yellow-rumped Warbler was photographed in northern Minnesota, USA. Photo taken with a Nikkor 300mm f4 EDAF lens on Kodachrome 200 film. (Date: May 1992)