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.
A tiny lion cub and two lionesses take a walk in the Masai Mara, Kenya. Acccording to the photographer this cub was the smallest of its siblings and always stayed close to the lionesses. Photo by David Lazar.
The Silver Fox is a melanistic form of red fox. Silver foxes display a great deal of pelt variation: some are completely black, save for the white tail tip, while others are bluish-grey, and others may have a cinereous colour on the sides.
The Axolotl also known as a Mexican salamander or a Mexican walking fish, is a neotenic salamander, closely related to the tiger salamander. Although the axolotl is colloquially known as a "walking fish", it is not a fish, but an amphibian