dogs just have two, and can only see in blue or yellow, or shades of gray – known as dichromatic vision. But, do they have a favorite color? According to a recent study, dogs might have a ...

had established through studies on three domestic dogs in 1989 that dogs have dichromatic colour vision — they can identify only blue and yellow apart from black, white and shades of grey. Most ...

dogs just have two, and can only see in blue or yellow, or shades of gray – known as dichromatic vision. But, do they have a favorite color? According to a recent study, dogs might have a ...