Pangolin scales are made of keratin - the same protein makes up our hair and nails and rhino horn! #WorldPangolinDaypic.twitter.com/dXrUcBb05w
7:00 AM - 18 Feb 2017
0 replies
6 retweets
9 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.