Which dino had the longest neck?

Of all the long-necked sauropods, the one with the longest was Mamenchisaurus (‘horse-gate brook lizard’). It had a neck 15m long, roughly half its total body length, containing more vertebrae than in any other sauropod (over 15 instead of a dozen or so). This would have let the dinosaur browse from the highest trees, and one of its discoverers suggests that Mamenchisaurus might have used its extended feature for ‘necking’ --– as seen in giraffes, when males swing their necks to land blows in fights over territory or mates, or for sexual display.…

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Bbc Wildlife (Digital) - 1 Issue, August 2024

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