Let's start with the African Rhinos!
There are two types of African rhinos. The White Rhino and the Black Rhino. They have 2 horns.White Rhinos are the largest type of rhino. The only land animal bigger than the white rhino is the elephant.
The adult white rhino (the biggest rhinos) can create up to 50 lbs of dung in one day. Rhinos use the smell of dung to help identify each other.
White rhinos have very large heads, so they spend most of their time grazing, with theirs heads down. They also have flat upper lips, better for grazing.
Thre are about 5,000 black rhinos left in the world and are classified as critically endangered.
White rhinos and black rhinos are both gray. It is believed the white is a mistranslations of "'wyd'" or "weit" which mean wide.
All of the Asian rhinos have prehensile upper lips and are good at swimming.
Sumatran rhinos are also called shaggy rhinos They are closest living relative to the now extinct woolly rhino.
Sumatran rhino are reddish brown in color.
There are less than 100 Sumatran rhinos left in the world.
Javan and Greater One-Horned Rhinos have folds in their skin that make them look like they have armored plates.
Javan Rhinos are sometimes referred to as the Lesser One-Horned Rhino.
Javan rhinos are the most critically endangered of any type of rhino. There are about 50 left in the wild. There are none in zoos.
For more detailed rhino information and ways you can help the rhinos be sure to check out - http://www.savetherhino.org/