Their blue eyes are especially striking against their white ... chocolate and black. As is the case with many pups on this list, they more commonly have brown or amber eyes.

Tess Nolan shared a clip of the sweet pup, a Boston terrier who has black and white fur and milky blue eyes ... "The default eye color for dogs is brown. Genetics, pigmentation and health issues ...

Lucy Notarantonio is Newsweek's Senior Lifestyle and Trends Reporter, based in Birmingham, UK. Her focus is trending stories and human interest features ranging from health, pets and travel.