Pitbull: Bulldogs have black eyes, but they also have brown eyes. The color of the eye depends on the breed of dog.
Black-headed grosbeak: The Black-headed Grosbeak has dark eyes, which are usually brownish-black.
Seals: Seals have black eyes. They spend all day underwater.
Rabbits: Rabbits have black eyes because of the pigment melanin, which helps protect them from sunburns.
Monkeys: Monkeys have black eyes. However, they also have brown eyes, blue eyes, green eyes, hazel eyes, gray eyes, and yellow eyes.
Panda: Pandas have a circular ring of black fur around the eyes, and their eyes usually appear black or dark brown.