[Length 4.75 in. Wingspan 7.5 in.]

This Virginia's Warbler was photographed in the bushes along the Cache La Poudre River near Estes Park, Colorado, USA. Photo taken with a Nikkor 500mm f8.0 mirror lens on Ektachrome 800 film. (Date: June 1986)

[Length 4.75 in. Wingspan 7 in.]

This male Wilson's Warbler was photographed at the Frontera Audubon Nature Center, Brownsville, Texas, USA. Photo taken with a AF-S VR Nikkor 300mm f/2.8G IF-ED lens + Nikkor TC14E II 1.4x Teleconverter (EFL=630mm) on a Nikon D200 camera. (Date: January 21, 2009)

[Length 4.75 in. Wingspan 7 in.]

This male Wilson's Warbler was photographed at Frontera Audubon, Weslaco, Texas, USA. Photo taken with a Nikkor 300mm EDAF-S f4 lens (EFL=450mm) on a Nikon D100 camera. (Date: January 12, 2005)

[Length 4.75 in. Wingspan 7 in.]

This male Wilson's Warbler was photographed at Frontera Audubon, Weslaco, Texas, USA. Photo taken with a Nikkor 300mm EDAF-S f4 lens (EFL=450mm) on a Nikon D100 camera. (Date: January 12, 2005)

[Length 4.75 in. Wingspan 7 in.]

This Wilson's Warbler was photographed at the SPI Convention Center gardens, South Padre Island, Texas, USA. Photo taken with a AF-S VR Nikkor 300mm f/2.8G IF-ED lens + Nikkor TC14E II 1.4x Teleconverter (EFL=630mm) on a Nikon D300 camera. (Date: October 1, 2010)

[Length 4.75 in. Wingspan 7 in.]

This male Wilson's Warbler was photographed during spring migration at Guadalupe Mountains national Park, Texas, USA. Photo taken with a Nikkor 300mm EDAF f4.0 lens on Kodachrome 200 film. (Date: June 2000)

[Length 4.75 in. Wingspan 7 in.]

This female Wilson's Warbler was photographed during fall migration at Higbee Beach in Cape May, New Jersey, USA. Photo taken with a Nikkor 300mm ED f4.5 lens on Kodachrome 64 film. (Date: September 1981)

[Length 4.75 in. Wingspan 7 in.]

Wilson's Warblers breed across much of Canada, Alaska, and the mountains and foothills of the western US. They are common in wet woodlands and thickets along streams. The male is distinctive with his crisp black cap, olive drab back with no wingbars, and bright yellow underparts. Females are similar in color, but either lack the sharply defined cap or just have a dusky cap. This male Wilson's Warbler was photographed in the foothills outside Anchorage, Alaska, USA. Photo taken with a Nikkor 300mm f4 EDAF lens on Kodachrome 200 film. (Date: May 1989)