Most reindeer live North of the Arctic Circle, where the sun does not rise above the horizon in winter months. I suspect most summer days are brighter than the few hours of twilight the reideer get in December.
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ceenote@lemmy.world â¨3⊠â¨months⊠agoPlus, no summer day is brighter than a clear winter day with snow on the ground.
Suru@mander.xyz â¨3⊠â¨months⊠ago
TachyonTele@lemm.ee â¨3⊠â¨months⊠ago
The pupil dilates, combined with more uv light seasonally, changes the structure of the iris and this itâs color.
Catoblepas@lemmy.blahaj.zone â¨3⊠â¨months⊠ago
It is if you live in a part of the world that is dark for months at a time during the winter, like reindeer do.