What Cats and Dogs Can See that Humans Can’t: You Won’t Believe it!

[Second Summer]

Have you ever felt that your cat or dog can see something you don’t? Well, you may be right, according to a new study.

Cats, dogs, and other mammals are thought to see in ultraviolet light, which opens up a whole different world than the one we see, the study explains.

UV light is the wave length beyond the visible light from red to violet that humans can see. Humans have a lens that blocks UV from reaching the retina. It was previously thought that most mammals have lenses similar to humans.

Read more:
What Cats and Dogs Can See that Humans Can’t: You Won’t Believe it! | petMD

 

[rainforests1]

It doesn't seem to help them too much according to the article.

 

[Second Summer]

It doesn't seem to help them too much according to the article.

It's a bit unclear in the article, I agree. According to LiveScience, which also talks about this study, it appears that it helps cats see better in the dark:
Cats and Dogs May See in Ultraviolet

It also mentions reindeer seeing polar bears hiding in the snow, and it helps insects see special colours or patterns on plants which might guide them to the nectar etc. I'm sure there is more to be discovered on this topic.