[Length 4.75 in. Wingspan 7.75 in.]

This Tennessee Warbler was photographed at the TOS Sabine Woods Sanctuary, Sabine Pass, TX. Photo taken with a Nikkor 300mm EDAF-S VR f2.8 lens + Nikkor TC20E II 2.0x Teleconverter (EFL=900mm) on a Nikon D200 camera. (Date: May 3, 2008)

[Length 4.75 in. Wingspan 7.75 in.]

This Tennessee Warbler was photographed at the Magee Marsh boardwalk, Oak Harbor, Ohio. Photo taken with a AF-S VR Zoom-Nikkor 70-300mm f/4.5-5.6G IF-ED lens (EFL=450mm) on a Nikon D300 camera. (Date: May 16, 2012)

[Length 5 in. Wingspan 8 in.]

This male Townsend's Warbler was photographed near Anchorage, Alaska. Photo taken with a Nikkor 300mm ED f4.5 lens on Kodachrome 200 film. (Date: May 1989)

[Length 5 in. Wingspan 8 in.]

This male Townsend's Warbler hovering to pick an insect off an Alder Tree's catkin seed pod was photographed near Anchorage, Alaska. Photo taken with a Nikkor 300mm ED f4.5 lens on Ektachrome 800 film. (Date: May 1989)

[Length 5 in. Wingspan 8 in.]

This male Townsend's Warbler was photographed near Anchorage, Alaska. Photo taken with a Nikkor 300mm ED f4.5 lens on Kodachrome 200 film. (Date: May 1989)

[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, Canada. Photo taken with a Nikkor 500mm f8.0 mirror lens on Ektachrome 800 film. (Date: June 1986)

[Length 4.5 in. Wingspan xx in.]

This Willow Warbler was photographed at Anglesey Peninsula, Wales. Photo taken with a Nikkor EDAF 300 f4.0 lens on Kodachrome 200 film. (Date: April 2002)

[Length 4.75 in. Wingspan 7 in.]

This male Wilson's Warbler was photographed at the Frontera Audubon Nature Center, Brownsville, TX. 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)