[feedbeef]

Mantis shrimp pack a really strong punch too. Truly fascinating creatures.

https://www.ted.com/talks/sheila_patek_clocks_the_fastest_an...

[mattkrause]

Yup! They're one of the few animals that can see circularly-polarized light, and the quarter-wave retarders in their eyes are really damn good.

As of a few years ago, they had a much wider wavelength range (400-700 nm) than the best man-made ones, which were only achromatic over ~100 nm.