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    Hummingbirds Jewelled Messengers 2014

    • Ended
    • 2014-06-28T01:00:00+01:00
    • 55 mins
    • Documentary
    This is the story of how hummingbirds became the ultimate creatures of the air. Hummingbirds live at the limits of what is possible. They have the highest metabolism – with a heart rate of 1,200 beats per minute – of any vertebrate. Their wings beat 50 times a second. They can hover on the spot, even fly backwards.

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