[Length 14 in. Wingspan 23 in.]

This male Rock Ptarmigan was photographed in Denali National Park, Alaska. Photo taken with a Nikkor 500mm f8.0 mirror lens on Kodachrome 200 film. (Date: June 1989)

[Length 12.5 in. Wingspan 22 in.]

White-tailed Ptarmigans live at high elevations in the mountains of Alaska and the western US and Canada. This White-tailed Ptarmigan was photographed in late spring in the rocks and snowfields above the 12,000 foot level at Rocky Mountain National Park in Colorado. Photo taken with a 300mm f4.5 Nikkor ED lens on Kodachrome 200 film. (Date: August 1980)

[Length 12.5 in. Wingspan 22 in.]

This White-tailed Ptarmigan was photographed in mid-summer in the rocks of an alpine meadow below the 10,000 foot level at Rocky Mountain National Park in Colorado. Photo taken with a 300mm f4.5 Nikkor ED lens on Kodachrome 64 film. (Date: June 1992)

[Length 12.5 in. Wingspan 22 in.]

This White-tailed Ptarmigan was photographed in mid-summer in an alpine meadow below the 10,000 foot level at Rocky Mountain National Park in Colorado. Photo taken with a 300mm f4.5 Nikkor ED lens on Kodachrome 64 film. (Date: August 1980)

[Length 15 in. Wingspan 24 in.]

Willow Ptarmigan breed in lowland tundra habitat across Canada and Alaska. In the late spring the males defend territories and attract mates with brief flight displays. This handsome male was photographed along the road at Denali National Park in Alaska. Photo taken with a 300mm f4.5 Nikkor ED lens on Kodachrome 200 film. (Date: June 1989)

[Length 15 in. Wingspan 24 in.]

This male Willow Ptarmigan was photographed foraging under a bush along a road at Churchill, Manitoba. Photo taken with a 300mm f4.5 Nikkor ED lens on Kodachrome 200 film. (Date: June 1991)

[Length 15 in. Wingspan 24 in.]

This male Willow Ptarmigan molting out of winter plumage was photographed scurrying across a patch of snow in the foothills outside of Anchorage, Alaska. Photo taken with a 300mm f4.5 Nikkor ED lens on Ektachrome 400 film pushed to 800. (Date: May 1988)

[Length 8.5 in. Wingspan ?? in.]

This Black-breasted Puffbird was photographed at the Canopy Tower Birding Facility (Semaphore Road), Gamboa, Panama. Photo taken with a AF-S VR Zoom-Nikkor 70-300mm f/4.5-5.6G IF-ED lens (EFL=450mm) on a Nikon D7000 camera. (Date: August 4, 2011)