https://www.smithsonianmag.com/smart...ght-180976196/
Quote:
Disney Channel may not have been far off with when they colored Perry the Platypus bright teal. It turns out real life platypuses are blue-green, too—at least when they’re under an ultraviolet spotlight.
And flying squirrel's glow bright pink in UV

BTW Polar bears are very easy to spot as the are black in UV



Science stuff and picture DOI: https://doi.org/10.1515/mammalia-2020-0027