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In fact, the male kori bustard may be the heaviest living animal capable of flight. This species, like most bustards, is a ground-dwelling bird and an opportunistic omnivore. Male kori bustards, which can be more than twice as heavy as the female, attempt to breed with as many females as possible and then take no part in the raising of the young.
The Andean condor is the largest living land bird capable of flight if measured in terms of average weight and wingspan, although male bustards of the largest species (far more sexually dimorphic in size) can weigh more. [14] [19] [20] The mean wingspan is around 283 cm (9 ft 3 in) and the wings have the largest surface area of any extant bird ...
BBC News: Ancient American bird was glider – BBC News article; How the dinosaur bird took to the skies – Daily Telegraph article; Secret of flight for world's largest bird revealed – COSMOS magazine article; Argentavis, the largest flying bird, was a master glider – Article from the blog Not Exactly Rocket Science
The table contains a list of the largest birds living on this planet by wingspan, at maximum, assumed to be reliable by experts and verified records, at least 3 m (9 ft 10 in). Rank Image
The focus of this video are the birds with the largest wingspans that soar in the skies above on the rising air – beating their wings slowly and powerfully. Show comments. Advertisement.
The heaviest bird ever capable of flight was Argentavis magnificens, the largest member of the now extinct family Teratornithidae, found in Miocene-aged fossil beds of Argentina, with a wingspan up to 5.5 m (18 ft), a length of up to 1.25 m (4.1 ft), a height on the ground of up to 1.75 m (5.7 ft) and a body weight of at least 71 kg (157 lb).
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Studies on condor flight suggest that even the largest teratorns were capable of flight in normal conditions, as modern large soaring birds rarely flap their wings regardless of terrain. [ 10 ] Traditionally, teratorns have been described as large scavengers, very much like oversized condors, owing to considerable similarity with condors.