[Length 4.25 in. Wingspan 7.75 in.]

This juvenile Pygmy Nuthatch was photographed at Sequoia National Forest, California, USA. Photo taken with a AF-S VR Zoom-Nikkor 80-400mm f/4.5-5.6G IF-ED lens on a Nikon D7100 camera. (Date: July 5, 2013)

[Length 4.5 in. Wingspan 8.5 in.]

Red-breasted Nuthatches breed in coniferous forests and are uncommon winter visitors to feeders throughout the northern US and southern Canada. Their "tin horn" toot often announces their presence long before they can be seen foraging along a branch or hanging upside down on a pine cone. This one was photographed in winter near a feeder in central New Jersey, USA. Photo taken with a 180 mm f2.8 EDAF Nikkor lens on Kodachrome 200 film. (Date: February 1994)

[Length 4.5 in. Wingspan 8.5 in.]

This Red-breasted Nuthatch was photographed at the mountaintop restaurant, Sandia Crest, New Mexico, USA. Photo taken with a Nikkor 300mm EDAF-S VR f2.8 lens (EFL=450mm) on a Nikon D200 camera. (Date: March 3, 2008)

[Length 4.5 in. Wingspan 8.5 in.]

This Red-breasted Nuthatch was photographed at a suet feeder in Middletown, New Jersey, USA. Photo taken with a Nikkor 300mm EDAF f4.0 lens on Kodachrome 200 film. (Date: January 1994)

[Length 5.75 in. Wingspan 11 in.]

A common resident and feeder visitor throughout most of the US and southern Canada, the White-breasted Nuthatch looks like a mechanical toy as it goes down, around, and even upside down along the trunk of a tree searching for food. This classic upside down Nuthatch pose was captured when the bird came close to investigate the sound of the photographer's camera. This Nuthatch was photographed on a mid-winter birding trip in northern New Jersey, USA. Photo taken with a Nikkor 300mm ED f4.5 lens on Kodachrome 200 film. (Date: February 1988)

[Length 5.75 in. Wingspan 11 in.]

This "Eastern" White-breasted Nuthatch was photographed at a nature center in Portland, Maine, USA. Photo taken with a Nikkor 500mm f8.0 mirror lens on Ektachrome 800 film. (Date: March 1982)

[Length 5.75 in. Wingspan 11 in.]

This White-breasted Nuthatch was photographed at Piute Mountains, California, USA. Photo taken with a AF-S VR Zoom-Nikkor 80-400mm f/4.5-5.6G IF-ED lens on a Nikon D7100 camera. (Date: July 3, 2013)

[Length 5.75 in. Wingspan 11 in.]

This "Great Basin" White-breasted Nuthatch was photographed at Sequoia National Forest, California, USA. Photo taken with a AF-S VR Zoom-Nikkor 80-400mm f/4.5-5.6G IF-ED lens on a Nikon D7100 camera. (Date: July 5, 2013)