Facts about Echidnas

1. 09

   Echidnas can survive up to 50 years in captivity, with one individual at the Healesville Sanctuary in Australia living to age 53, making them among the longest-lived monotremes on record.

   EchidnasMay 14sharebiologymeasurementlongevity
2. 08

   With a tongue up to 25 centimeters long, echidnas can probe deep into ant and termite nests to extract insects without being stung or bitten.

   EchidnasMay 14shareanatomyadaptationfeeding
3. 07

   Echidnas have been walking Earth for approximately 20 million years, making them one of the oldest mammal lineages still in existence today.

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4. 06

   Echidnas possess around 2,000 spines covering their bodies, which they raise as a defense mechanism by contracting specialized muscles when threatened.

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5. 05

   Echidnas can hold their breath for up to 40 minutes while foraging underwater for invertebrates, despite spending most of their lives on land.

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6. 04

   Echidnas produce venomous spurs only during breeding season, with males in Australia developing them on their hind legs for approximately three months yearly.

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7. 03

   During breeding season, male echidnas form orderly single-file lines called trains, with up to 10 males following a receptive female for weeks.

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8. 02

   An echidna's body temperature of 32 degrees Celsius is lower than most mammals, allowing it to survive in diverse climates from Australian deserts to Tasmanian highlands.

   EchidnasMay 14sharebiologytemperatureadaptation
9. 01

   The short-beaked echidna's sperm cells are the longest of any mammal, measuring up to 10 millimeters in length.

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