Rhinos Heavily Rely on Scents to Communicate with Each OtherĪ rhino relies on its sense of smell quite extensively to either communicate with other rhinos or to mark territory. Horns can grow as long as 51 inches, most typically seen in the front horn of Black rhinos, while Javan rhinos have an average of 10 inch-horns. Interestingly, if a rhino loses its horn – due to bulls fighting each other over dominance or territory – it will eventually grow back.īlack, white, and Sumatran rhinos have two horns, whereas Javan rhinos and Greater one-horned rhinos have only one. Their horns tend to grow and curve towards the head due to keratin at the front growing at a faster rate than it does in the back. One of the most unique facts about rhinos is that their horns are made of keratin, which is also the same key protein that makes up human hair and fingernails. Rhino Horns are Made from the Same Materials as Human Fingernails The other three rhino species can be found across Southeast Asia. South Africa, in particular, is home to the largest population of white rhinos, with an estimated 18,000 in the wild. Black and white rhinos are also known together as the African rhinos, as they are found only on the African continent. The five rhino species are: White rhinos, Black rhinos, Greater one-horned, Sumatran and Javan rhinos. We prepared a list of fascinating and interesting facts about rhinos, a wonderful, yet sadly dwindling animal species on Earth. Earth.Org is powered by over 150 contributing writers
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