DID YOU KNOW?
Not a True Horn: A rhinoceros' horn is not a true horn. True horns are attached to the skull; a rhino's horn is made of keratin fibers (the main component of human hair and nails) and grows from the skin.
The Primitive Rhino: The Sumatran rhinoceros is the smallest and most primitive of the five rhino species, and the closest living relative to the woolly rhinoceros, which went extinct around 10,000 years ago.
Rhinos Through Time: The rhinoceros belongs to a once extremely diverse superfamily that includes aquatic rhinos, pig-sized rhinos and the giraffe-sized Indricotherium, one of the largest land mammals to ever live.ago.
