David Attenborough Presents: Hummingbirds - Jewelled Messengers

David Attenborough Presents: Hummingbirds - Jewelled Messengers | Nature 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 –...

53 min - Nature & Wildlife - Free Documentary - Nature

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