EDMONTON, CANADA. (January 2013). A female Red-breasted Nuthatch (Sitta canadensis) tries to stay warm on a cold but sunny winter's day.  Permanent photo link here.  Original photo properties: Olympus E-620 dSLR, Zuiko Digital ED 50-200mm f2.8-3.5 lens + Zuiko Digital 1.4x Teleconverter EC-14 at 143mm (286mm, 35mm equivalent), handheld, aperture priority, single autofocus, centre-weighted average metering, 1/500s f4.5, ISO 200, 3526 x 2395 pixels (after crop), RAW.