Many animals have color preferences. For example advertising research has shown that humans are attracted to the color red. Suppose that you were a dog-toy manufacturer and you wanted to select colors ...

It’s well known that dogs don’t see as many colors as we do – similar to color blindness in people. Whereas humans have three types of cones in our eyes, allowing us to identify combinations of red, ...

For years, scientists have studied how dogs see the world, confirming that our four-legged friends don’t see colors the same way we do. While humans experience a full spectrum of shades, dogs’ vision ...