[Length 5 in. Wingspan 7.75 in.]

This male Chestnut-sided Warbler was photographed at Valley Land Fund's Sheepshead Street lots, South Padre Island, Texas. Photo taken with a AF-S VR Zoom-Nikkor 70-300mm f/4.5-5.6G IF-ED lens (EFL=202mm) on a Nikon D300 camera. (Date: May 2, 2011)

[Length 5 in. Wingspan 7.75 in.]

This drab Chestnut-sided Warbler was photographed during fall migration at Higbee Beach in Cape May, New Jersey. Photo taken with a Nikkor 300mm EDAF f4.0 lens on Kodachrome 200 film. (Date: September 1986)

[Length 5 in. Wingspan 7.75 in.]

Chestnut-sided Warblers breed in the northeastern and Great Lakes states of the US, and southern Canada as far west as Alberta. They are found in transition woodlands throughout their range. The males are strikingly patterned with a golden crown, dark back, and rich chestnut sides. Females are similar in pattern and coloring, but are more subdued. This one was photographed in mid-summer near Bar Harbor, Maine. Photo taken with a 300mm f4.5 Nikkor ED lens on Kodachrome 64 film. (Date: July 1981)

[Length 5.75 in. Wingspan 9 in.]

This male Connecticut Warbler was photographed at Riding Mountain National Park in Manitoba, Canada. Photo taken with a Nikkor 300mm EDAF f4.0 lens on Kodachrome 200 film pushed to 800. (Date: June 1991)

[Length 5 in. Wingspan 7.75 in.]

This male Golden-cheeked Warbler was photographed at Friedrich Wilderness Park, San Antonio, Texas. 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 D7000 camera. (Date: April 26, 2011)

[Length 5 in. Wingspan 7.75 in.]

This female Golden-cheeked Warbler was photographed at Friedrich Wilderness Park, San Antonio, Texas. 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 D7000 camera. (Date: April 26, 2011)

[Length 5 in. Wingspan 7.75 in.]

This female Golden-cheeked Warbler was photographed at Friedrich Wilderness Park, San Antonio, Texas. 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 D7000 camera. (Date: April 26, 2011)

[Length 5 in. Wingspan 7.75 in.]

This male Golden-cheeked Warbler was photographed at Friedrich Wilderness Park, San Antonio, Texas. 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 D7000 camera. (Date: April 26, 2011)