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Greta oto is a species of brush-footed butterfly and member of the subfamily Danainae, tribe Ithomiini, and subtribe Godyridina.It is known by the common name glasswing butterfly for its transparent wings, which allow it to camouflage without extensive coloration.
Pelagornis sandersi comparison with the Andean condor (Vultur gryphus) and the wandering albatross (Diomeda exulans). The sole specimen of P. sandersi has a wingspan estimated between approximately 6.06 and 7.38 m (19.9 and 24.2 ft), [9] giving it the largest wingspan of any flying bird yet discovered, twice that of the wandering albatross, which has the largest wingspan of any extant bird (up ...
Bird Image Species Family Maximum height Details Rüppell's vulture: Gyps rueppellii: Accipitridae: 11,300 metres (37,100 feet). [1] [2] Vultures use their excellent eyesight to scan the landscape below from a relatively static aerial position. Instead of flying over a larger distance, they use elevation to expand their field of vision. [3]
Sexes are similar, but juvenile birds have a shorter crest without the white tips. The Knysna turaco is usually seen flying between forest trees, or hopping along branches. It feeds on fruit, insects and earthworms. It has a loud kow-kow-kow-kow call. This bird family is known as Loeries in South Africa, but the international name is Turaco.
The kori bustard is generally a somewhat scarce bird. Appendix II of CITES and the 2000 Eskom Red Data Book for Birds lists the status of the nominate race as Vulnerable, estimating that in the next three generations, it is expected to decline by 10% in South Africa. [12] [43] In protected areas, they can be locally common. [6]
Hemaris thysbe, the hummingbird clearwing, is a moth of the family Sphingidae (hawkmoths). Coloration varies between individuals, but typically the moth is olive green and burgundy on its back, and white or yellow and burgundy on the underside.
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
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