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What is a platypus’s closest living relative?: Media

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Platypus (Ornithorhynchus anatinus)
Duck-billed platypus eating a worm underwater.
© Johncarnemolla/Dreamstime.com
western long-beaked echidna (Zaglossus bruijni)
The western Long Beaked Echidna (Zaglossus bruijni) resides in the West...
Klaus Rudloff/BioLib.CZ