11 Heaviest Flying Birds in the World (Up to 44 lb / 20 kg)
Birds are notoriously light creatures, their bodies composed of feathers and hollow bones. The smallest bird, the Bee Hummingbird, only weighs an astonishing 1.6 grams! There are large birds too, of course. These birds have typically evolved over the years to have short, useless wings, which cannot sustain flight, birds such as the Ostrich or …
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