Top 10 Animals that Can’t See the Color RedMetal_Treasure The ability to see colors depends on the cones inside the eyes - less cones, or missing cones, is a sign that an animal can't see particular colors.
The Top Ten
Surprised? Most probably, yes. But I wanted to surprise you. Bulls are color-blind and they see in B&W (and grey). Bulls charge the red cape (muleta) because it is moving and not because it is red. A bull would charge all moving capes regardless of color. So why is the muleta red then? Because its red color helps mask the gruesome aspect of a bull fight: splatters of blood. - Metal_Treasure
Now that suprised me! - Userguy44
They can't see red, orange and green. The only colors a dog can see are yellow and blue. Some say that dogs can also see violet but I've never been a dog and I can't say who is right.
The colors dogs can't see appear yellow or blue to them. So the dogs see the world mostly in yellow & blue (and maybe some violet spots here and there, but that's not sure). - Metal_Treasure
It can see blue and green only - Metal_Treasure
Cows can't see red and green, which means they see red and green as a version of gray or black. - Metal_Treasure
They are color blind, including the color red, because in the back of the retina they have a reflector that reflects light. - Metal_Treasure
They can see yellow and blue only - Metal_Treasure
It can see blue, green and ultraviolet (! ) but can't see the color red - Metal_Treasure
It can see blue, yellow and ultraviolet. - Metal_Treasure
It can see only 2 colors: green and ultraviolet. - Metal_Treasure
Cuttlefish is color-blind although it can change its own colors to hide from a predator. - Metal_Treasure
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