7 facts about rhinos

1. A group of rhinos is called a 'crash'
2. Sumatran rhinos are the smallest of the rhio weighing only 1750 pounds
3. Rhinoceros horns are made entirely of keratin
4. A rhino can live for 5 days without water
5. Rhinos have exceptionally bad eyesight but an excellent sense of smell
6. There are only 4 nothern white rhinos left in the wild
7. Rhinos can sprint at 30mph