Camels @ San Diego Zoo
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Camels were domesticated more than 3,000 years ago, and to this day, humans depend on them for transport across arid environments. They can easily carry an extra 200 pounds (90 kilograms) while walking 20 miles (32 kilometers) a day in the harsh desert. They can travel as fast as horses but can also endure legendary periods of time without food or water. Humans have used camels for their wool, milk, meat, leather, and even dung that can be used for fuel. The dromedary camel Camelus dromedarius, also known as the Arabian camel, exists today only as a domesticated animal. About 90 percent of the world’s camels are dromedaries. There are two types of the Bactrian camel: one wild (Camelus ferus) and one domesticated (Camelus ferus f. bactrianus). Wild Bactrians are much different from the domesticated Bactrians: they are trimmer, with smaller humps and less hair.
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