Facts about Echidna

1. 05

   Male echidnas possess a four-headed penis, though only two heads are used at a time during mating.

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2. 04

   The echidna has an unusually low body temperature for a mammal, typically around 32°C, and can lower it further during hibernation.

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3. 03

   A female echidna lays a single leathery egg directly into her pouch, where it incubates for about ten days before hatching.

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4. 02

   Spiny anteaters, another name for echidnas, use electroreceptors in their snouts to detect the electric fields produced by their invertebrate prey.

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5. 01

   Along with platypuses, echidnas are the only living mammals that lay eggs, belonging to the order Monotremata.

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