18 Baby Animal Facts That Make Us Want to Thank Mother Earth for All the Smiles

Rhinoceros calves don't have a horn at birth. The rhinoceros horn is made up of keratin, the same thing our hair and fingernails are made of. But when a rhinoceros calf is born, it doesn't have a horn. A stub appears between 1 and 2 months. From then on, the juvenile begins to grow the horn. The name rhinoceros itself means nose horn.