[Length 6.75 in. Wingspan xx in.]

This Red-backed Shrike was photographed at Uyeasound, Unst, Shetland, Scotland, Great Britain. Photo taken with a Nikkor 300mm EDAF-S f4 lens (EFL=450mm) on a Nikon D100 camera. (Date: June 3, 2004)

[Length 6.75 in. Wingspan xx in.]

This Red-backed Shrike was photographed at Uyeasound, Unst, Shetland, Scotland, Great Britain. Photo taken with a Nikkor 300mm EDAF-S f4 lens (EFL=450mm) on a Nikon D100 camera. (Date: June 3, 2004)

[Length 4.5 in. Wingspan ?? in.]

This White-tipped Sicklebill was photographed at the Canopy Lodge Birding Facility, El Valle de Anton, Panama. Photo taken with a AF-S VR Nikkor 300mm f/2.8G IF-ED lens (EFL=450mm) on a Nikon D7000 camera. (Date: August 10, 2011)

[Length 4.5 in. Wingspan ?? in.]

This White-tipped Sicklebill was photographed at the Canopy Lodge Birding Facility, El Valle de Anton, Panama. Photo taken with a AF-S VR Nikkor 300mm f/2.8G IF-ED lens (EFL=450mm) on a Nikon D7000 camera. (Date: August 10, 2011)

[Length 4.5 in. Wingspan ?? in.]

This White-tipped Sicklebill was photographed at the Canopy Lodge Birding Facility, El Valle de Anton, Panama. Photo taken with a AF-S VR Nikkor 300mm f/2.8G IF-ED lens (EFL=450mm) on a Nikon D7000 camera. (Date: August 10, 2011)

[Length 4.75 in. Wingspan xx in.]

This Eurasian Siskin was photographed at Loch an Eilein, Inverdruie, Scotland, Great Britain. Photo taken with a Nikkor 300mm EDAF-S f4 lens (EFL=450mm) on a Nikon D100 camera. (Date: June 18, 2004)

[Length 4.75 in. Wingspan xx in.]

This Eurasian Siskin was photographed at Loch Lomond National Park, Loch Lomond, Scotland, Great Britain. Photo taken with a Nikkor 300mm EDAF-S f4 lens (EFL=450mm) on a Nikon D100 camera. (Date: May 21, 2004)

[Length 4.75 in. Wingspan xx in.]

This Eurasian Siskin was photographed at Loch an Eilein, Inverdruie, Scotland, Great Britain. Photo taken with a Nikkor 300mm EDAF-S f4 lens (EFL=450mm) on a Nikon D100 camera. (Date: June 18, 2004)

[Length 5 in. Wingspan 9 in.]

Pine Siskins are common birds of the foothills and mountains of Alaska, the western US, and southern Canada. They appear irruptively in the eastern US in winter depending on the availability of food. This one was photographed feeding on thistle seeds in a field along the central coast of California, USA. Photo taken with a 300mm f4.5 Nikkor ED lens on Kodachrome 64 film. (Date: November 1981)