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The fictional character Knuckles the Echidna from Sonic the Hedgehog is a red short beaked echidna who possesses superhuman strength. The short-beaked echidna is an iconic animal in contemporary Australia, notably appearing on the five-cent coin (the smallest denomination), [122] and on a $200 commemorative coin released in 1992. [123]
Ornithorhynchoidea is a superfamily of mammals containing the only living monotremes, the platypus and the echidnas, as well as their closest fossil relatives, to the exclusion of more primitive fossil monotremes of uncertain affinity.
Short-beaked echidna, related to Attenborough’s long-beaked echidna. An expedition team traveling through the treacherous Cyclops Mountains of Indonesia's Papua province captured footage of a ...
A short-beaked echidna building a defensive burrow in French Island National Park (43 seconds) Male echidnas have a four-headed penis. [26] During mating, the heads on one side "shut down" and do not grow in size; the other two are used to release semen into the female's two-branched reproductive tract.
Early researchers were misled by two factors: firstly, monotremes maintain a lower average temperature than most mammals; secondly, the short-beaked echidna, much easier to study than the reclusive platypus, maintains normal temperature only when active; during cold weather, it conserves energy by "switching off" its temperature regulation.
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The Attenborough’s long-beaked echidna is also one of five guardians of a highly unique and fragile evolutionary history that dates back over 200 million years, said Kempton.
Platypuses have been used several times as mascots: Syd the platypus was one of the three mascots chosen for the Sydney 2000 summer Olympics along with an echidna and a kookaburra, [137] Expo Oz the platypus was the mascot for World Expo 88, which was held in Brisbane in 1988, [138] and Hexley the platypus is the mascot for the Darwin operating ...