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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.
The call is often heard when the birds are flying or are startled, or when the birds communicate socially, for example early in the morning in residential suburbs. While roosting they produce a single loud "haaaa". When foraging, their contact call is a low growl similar to that made by a young puppy.
The Raggiana bird of paradise is the national bird of Papua New Guinea.. This is a list of the bird species recorded in Papua New Guinea.The avifauna of Papua New Guinea include a total of 897 species, of which 108 are endemic, and 2 have been introduced by humans. 44 species are globally threatened.
The smallest flying vertebrates are the bee hummingbird and the bumblebee bat, both of which may weigh less than 2 grams (0.071 oz). They are thought to represent the lower size limit for endotherm flight. [citation needed] The smallest flying invertebrate is a fairyfly wasp species, Kikiki huna, at 0.15 mm (0.0059 in) (150 μm). [23] Fastest.
The diet of red-footed boobies consists mostly of fish (such as Exocoetidae flying fish and Gempylidae escolars) and squid. [17] Studies of the red-footed booby on Christmas Island have found that most fish eaten are 6–15 cm (2.4–5.9 in) long, with a maximum length of 20 cm (7.9 in), and most squid are 6–10 cm (2.4–3.9 in), with a ...
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
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This is a list of soaring birds, which are birds that can maintain flight without wing flapping, using rising air currents. Many gliding birds are able to "lock" their extended wings by means of a specialized tendon. [1] Bird of prey. Buzzards; Condors; Eagles; Falcons; Harriers; Hawks; Kites; Osprey; Secretary bird; Vultures; Passerine ...