Tundra Swan
Cygnus columbianus

f6.3 @ 1/400s, ISO:200, Nikon D300S w 500mm and 1.4X tele-extender

"Tundra swan," Wikipedia, the free encyclopedia. The Tundra Swan (Cygnus columbianus) is a small Holarctic swan.C. columbianus is the smallest of the Holarctic swans, at 115150 cm (4559 in) in length, 168211 cm (6683 in) in wingspan and a weight range of 3.49.6 kg (7.521 lb).In adult birds, the plumage of both subspecies is entirely white, with black feet, and a bill that is mostly black, with a thin salmon-pink streak running along the mouthline and depending on the subspecies more or less yellow in the proximal part. The iris is dark brown. In birds living in waters that contains large amounts of iron ions (e.g. bog lakes), the head and neck plumage acquires a golden or rusty hue. Pens (females) are slightly smaller than cobs (males), but do not differ in appearance otherwise.
Cambridge Bay, Nunavut, Canada