Sable antelope (Hippotragus niger) - photo by Martin Harvey, via Arkive; Mature females eventually become a rich chestnut-brown to dark brownish-black and fully mature males are a glossy brownish-black to pitch-black, varying with the subspecies.
A very unusual genetic color variation in white-tailed deer produces “melanistic” or “melanic” deer. But a “melanic” doe will rarely have spots as seen in this awesome picture, so this "may" be at the hands of photoshop.
Here are some melanistic animals (melanistic is the opposite transition of albinism). Humans are animals too Melanistic animals Here are some melanistic (melanistic is the opposite transition of albinism) Humans too
Black Beauties: 10 Amazing Melanistic Animals - Page 2 of 2
Lazy Black Panther by Charlie Burlingame A black panther is typically a melanistic color variant of any Panthera species. Black panthers in Asia and Africa are leopards (Panthera pardus). Black panthers in the Americas are black jaguars (Panthera onca)