Did you know beaver fur has up to 23,000 hairs per square cm?? #YellowstoneLivepic.twitter.com/Tk56kBdcEG

Did you know beaver fur has up to 23,000 hairs per square cm?? #YellowstoneLive pic.twitter.com/Tk56kBdcEG

https://twitter.com/NatGeoChannel/status/1026276467905159168