Tapetum

#r76week #kazuuya #bossedup #inventon #gigapone #norcalart #instarise #fo3 red #guosim #jishin

Webcam Model(Tsuki-moon) is live
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Reindeer are the only mammals whose eyes are known to change colour, going from gold in the summer,

Link #reindeer #color #pupil #light #arctic #science #biology #tapetum #collagen #the earth story