Around 140 worldwide
By not killing them for their horn! ;)
You don't touch it.
They are mainly gray.
1.7 inches
yes.Their Killed For Their Horn
Its muscle, tough skin, and horn
They are 4years old when they start to have it.
Rhinos are grey with wrinkly skin and a big horn.
Rhinos have a horn to attack predators, and if their skin is dry, the skin will protect the rhino from damage
Rhinos
A rhinos horn is made from hair. More specifically the protein keratin.