Short-beaked echidnas are found throughout Australia and in some parts of New Guinea. Long-beaked echidnas occur only in New Guinea and Salawati. They once inhabited parts of Australia, but died out about 20,000 years ago.

A short-beaked echidna (Tachyglossus aculeatus) feeds on termites. (Photo by Animals Animals ©K. Atkinson, OSF. Reproduced by permission.)
An echidna burrowing for protection. (Photo by Bill Bachman/Photo Researchers, Inc. Reproduced by permission.)

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Essentials of Human Physiology

Essentials of Human Physiology

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