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 ...

"Orange for dogs would be a slightly lighter shade of brown than red," Levy says. Even so, bright orange can be distracting ...

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 ...