What animals are color blind?

Color blindness is relative. Humans are trichromatic. Most other mammals are dichromatic. But there are many animals which are tetrachromatic and pentachromatic too. So humans are color blind when compared with pigeons. And many male humans are colorblind when compared with female humans. read more

Many animals are considered to be color blind. Animals and humans have rods and cones in their eyes that enable them to see color. The ability of an animal to see color depends on the color receptors in the retina of the eye. Some animals have less cones or more rods. This leads certain animals to see better at night, and see color differently. read more

Scientists say that good color vision helps animals find food on the land or in the water. For land animals, good color vision helps to tell the difference between ripe red fruit and unripe green fruit. read more