Science Magazine: Deer urine glows under ultraviolet light and may pop out of the dark like highway reflectors for other deer.

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Science Magazine science.org
Deer urine glows under ultraviolet light and may pop out of the dark like highway reflectors for other deer.
Deer urine glows like holiday lights in the breeding season

“Photoluminescence” may be a way for the animals to communicate with each other

science.org
Dec 25, 2025 23:30
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