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Spectacular images of creatures under UV light show animals as you've never seen them before - World News - Mirror Online
![Cats and dogs have a 'sixth sense' - and it's UV vision (but scientists don't know how they use it) | Daily Mail Online Cats and dogs have a 'sixth sense' - and it's UV vision (but scientists don't know how they use it) | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2014/02/19/article-2562951-1BA3137000000578-496_634x421.jpg)
Cats and dogs have a 'sixth sense' - and it's UV vision (but scientists don't know how they use it) | Daily Mail Online
Sight Research UK - Did you know humans are one of the few animals that can't see UV light? #EyeKnow Learn more: https://bit.ly/3mwBaaD | Facebook
What is the evolutionary advantage (for insects, I guess) of being able to see ultraviolet light, and why wouldn't they also need to see the red end of the spectrum? - Quora
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