Does A Rat Need A Reason To Glow Ethereally? | Defector
Briefly

Fluorescence allows organisms to absorb high-energy light and emit lower-energy light, creating colors like green, red, yellow, or orange under UV light.
Some animals, like the flower hat jellyfish and birds like budgies, use fluorescence for communication and attraction of prey or mates.
Land mammals have also been found to fluoresce under black light, such as hot pink flying squirrels and aquamarine platypuses, indicating potential covert communication among terrestrial creatures.
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