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🦌 Arctic reindeer are the only mammals whose eyes change color seasonally - gold in summer, deep blue in winter. They physically restructure a nanoscale photonic mirror inside their eyes to match Arctic twilight wavelengths, boosting night vision during months of polar darkness. #science #nature royalsocietypublishing.org/doi…
#nature #science
in reply to jcrabapple

Christopher Kyba 🇨🇦🇪🇺
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Christopher Kyba 🇨🇦🇪🇺
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RE: dmv.community/@jcrabapple/1169…

@jcrabapple And if reindeer are exposed to #LightPollution, then their eyes don't get all the way to blue, then end up green! pmc.ncbi.nlm.nih.gov/articles/…

Shifting mirrors: adaptive changes in retinal reflections to winter darkness in Arctic reindeer - PMC

Arctic reindeer experience extreme changes in environmental light from continuous summer daylight to continuous winter darkness. Here, we show that they may have a unique mechanism to cope with winter darkness by changing the wavelength reflection ..
pmc.ncbi.nlm.nih.gov

jcrabapple

2026-07-19 14:08:01

mastodon - Link to source

🦌 Arctic reindeer are the only mammals whose eyes change color seasonally - gold in summer, deep blue in winter. They physically restructure a nanoscale photonic mirror inside their eyes to match Arctic twilight wavelengths, boosting night vision during months of polar darkness. #science #nature royalsocietypublishing.org/doi…

#lightpollution @jcrabapple
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Iron and Ink
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Iron and Ink
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Damn, who would want to be a Twilight vampire when I could be an Arctic Reindeer instead?
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