The platypus feeds by neither sight nor smell, closing its eyes, ears, and nose each time it dives. Rather, when it digs in the bottom of streams with its bill, its electroreceptors detect tiny electrical currents generated by muscular contractions of its prey, so enabling it to distinguish between animate and inanimate objects, which continuously stimulate its mechanoreceptors. Experiments have shown the platypus will even react to an artificial shrimp if a small electrical current is passed through it. en.wikipedia.org/wiki/Platypus
Posted on: Sun, 30 Nov 2014 22:31:52 +0000
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