10-11-2023, 05:30 AM
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Senior Member
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Join Date: Mar 2017
Location: ABQ, New Mexico
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Echidna is the platypus's close relative, which looks like a cross between a porcupine and a hedgehog, is at least 110 million years old, making it the oldest surviving species of mammal in the world. Native to Oceania, they are the only mammal that lays eggs besides the platypus.
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