The silver fox is a melanistic form of red fox. Melanism is when the animal's coloring is much darker than normal. Interestingly, fox squirrels, who have brownish body fur and reddish tummy fur also have a melanistic form that resembles this.
“The Walk” by Ernest Goh, Singapore, 2013 Sony World Photography Award (Finalist for Nature & Wildlife). "The walk or strut by an ornamental chicken in a beauty contest, much like a runway model, constitutes a large part of the scoring system.