Posted: April 29, 2017 at 8:39 pm

TIL reindeer are one of the only mammals that can see UV light, allowing them to see lichen, polar bears against the snow, and urine trails
P79a8Gky7JgwIhYnui47SrkdNMZt1hwxUAHx lMFcBo TIL reindeer are one of the only mammals that can see UV light, allowing them to see lichen, polar bears against the snow, and urine trails submitted by /u/ben_abuyah to r/todayilearned
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Source: Reddit: TGIOKDI Upvoted

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