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This is a bit lengthy, but bear with me:

It's not a matter of "seeing black and white" or in color, but how colors are perceived. A specific nerve cell called cones allows humans and animals to perceive colors. If a person i missing a certain cone, they are considered "color blind (missing the red cone means they are unable to tell the difference between red, yellow, and green for example)." So when trying to figure out if an animal can "see in color," scientists find out what cones an animal has. Most mammals have only two types of cones, but humans and other primates have three. Birds have complex eyes, and even have more than three cones. This means that birds can perceive more colors than humans. Snakes see in color as well, but they also have a pit organ which allows them to basically see infrared light.

Dogs can actually "see in color" more so than people think. They are just missing that red cone.

Cats have fewer cones than dogs, because their eyes are more developed for night time. So they can't tell the difference between colors as well as dogs, and dogs can't tell the difference between color as well as primates.

BASICALLY, all animals see in color. Many are just missing certain cone nerve cells so they can't tell certain colors apart. That's why hunters can wear bright orange vests when they're out in the forest: other hunters can tell the difference between the green forest and the orange vest, but deers can't.

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8y ago

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