Natural Bridge Wildlife Ranch is home to two Southern White Rhinoceros: Bertha and Goliath.

This species of rhinoceros (rhino) originates from Africa and is the largest and most docile of the rhinoceros species.


It’s no sweat for rhinos.

Rhinos, like pigs, lack sweat glands. On a hot day, the greatest pleasure for a rhino is playing in and burying their bodies in mud pits. The mud keeps the rhino cool, conditions the skin and keeps pesky bugs from biting.

Grey is the new white.

The “white” in the name of this particular rhino does not refer to the color of its skin (this rhino species skin color is grey). The word “white” came from a Dutch word, wynt. In the Dutch language, wynt means square-lipped, which describes the rhinos flat, square shape lip used for grazing and gathering forage. When translated by those speaking English, wynt was heard and translated as “white.”


Horns forever.

The rhino is the only mammal with a horn that does not have a bone core. A rhino’s horn is made of compacted keratin, the same substance that makes up human hair and fingernails. If a rhino horn is damaged or removed, it will continue to grow. A rhino horn, when hit hard enough, can even be removed from its base—but it will slowly grow back.

Big, bouncing baby rhino.

A pregnant rhino will gestate for 16 months. Her baby can weigh up to 150 pounds. Rhinos can live up to 50 years.


rhino-1         rhino-skin

Tipping the scales.

Male rhinos can weigh up to 5,000 pounds (that’s more than 2 TONS). The rhino is the second largest land mammal in the world. A rhino’s head can weigh up to 500 pounds. The large hump on its neck is pure muscle, which enables him to hold up its 500-pound head.




Trivia Questions


1. A rhino’s head can weigh up to:

a. 50 pounds
b. 500 pounds
c. 5,000 pounds

2. A rhino’s horn is not considered a true horn because:

a. its horn does not have a boney core.
b. its horn is shed once a year, usually in the spring.
c. its horn is covered with skin and fur.

Answers to questions above:
1. b
2. a


Why do Rhinos have horns?
To tell the other rhinos to get out of the way!

What does a rhino do when its broke?
Looks for glue.

What do you get when you cross a rhino with an elephant?




Fun Facts

  • The Southern White Rhinoceros is the largest of the rhino species.
  • NBWR has two rhinos, Bertha and Goliath.
  • Rhinos don’t have sweat glands. Like pigs, they have to roll in the mud to keep cool.
  • Rhinos are the second largest land mammal in the world, next to the elephant.
  • In Greek, rhinoceros means rhino=nose, ceros=horn.
  • Rhino horns have no boney core, like other horned mammals. Rhino horns grow from the skin, and are made of compacted hair and keratin (the same substance as human hair and fingernails).
  • There is a large bump on the front of a rhino’s skull that helps to anchor the horn to its head.
  • The rhino’s horn is loosely attached to its head. If the horn hits something really hard, it may become deformed or fall off. If this happens, the rhino slowly can grow another horn.
  • Female rhinos generally have longer, skinnier horns than their male counterparts. The male rhinos horn is shorter and thicker.
  • The Southern White Rhinoceros has a tandem horn, which means their front horn is longer.
  • The rhino has three toes. Mammals with an odd number of toes are called Perrisodactyla, which is a taxonomy classification (Kingdom, Phylum, Class, Order, Family, Genus, and Species).
  • Because of a rhino’s odd number of toes, they can be related to the zebra and donkey. The donkey and zebra have a odd number of toes. They only have one.
  • Rhinos have poor vision. They are unable to detect a motionless human 100-feet away.
  • Their sense of smell and hearing are very good.
  • The rhino makes distinct noises. They snort, puff, squeal, and honk.
  • There are five types of rhino species: White, Black, Indian, Javan, and Sumatran.
  • The Southern White Rhinoceros may stand six-feet-tall at the shoulder.
  • The hump on a rhinos back is pure muscle, which holds up its 500-pound head.
  • All rhinos are herbivores.
  • Rhinos can run up to speeds of 35 miles-per-hour.
  • The Southern White Rhinoceros is docile. They reserve their energy for fighting with other males and with females while they are courting.
  • If given the chance, a Southern White Rhinoceros would rather run away from trouble.
  • The northern race of the White Rhinoceros is considered to be on the verge of extinction, with claims that there are only 15 left living in the wild.




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    Natural Bridge Wildlife Ranch is located between San Antonio and New Braunfels, Texas

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