The black-and-white ruffed lemur is undeniably enchanting and in the wild, they are found in Madagascar and nowhere else on earth. Weighing in at around 4 kilograms this one of the largest living lemur species on the planet. As with many primates, their name draws inspiration from their appearance, and the black-and-white ruffed lemur is no exception. They have black and white fur with a distinctive white gruff around their necks. And if this species isn’t visually striking enough, it also has wide, round, and bright yellow eyes.