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The mute swan with outstretched wings Wing of the white-tailed eagle. Bird wings are a paired forelimb in birds. The wings give the birds the ability to fly, creating lift. Terrestrial flightless birds have reduced wings or none at all (for example, moa). In aquatic flightless birds , wings can serve as flippers. [1]
Location of the alula on a bird's wing. The alula / ˈ æ l j ʊ l ə /, or bastard wing, (plural alulae) is a small projection on the anterior edge of the wing of modern birds and a few non-avian dinosaurs. The word is Latin and means "winglet"; it is the diminutive of ala, meaning "wing".
Most recent authorities recognise 36 species, however, this is debated, and some authorities include additional genera. Birdwings are named for their exceptional size, angular wings, and birdlike flight. They are found across tropical Asia, mainland and archipelagic Southeast Asia, and Australasia.
High speed wings are short, pointed wings that when combined with a heavy wing loading and rapid wingbeats provide an energetically expensive high speed. This type of flight is used by the bird with the fastest wing speed, the peregrine falcon, as well as by most of the ducks. Birds that make long migrations typically have this type of wing. [25]
Said to cast a human shadow until it kills a person, whereupon it begins casting its own shadow. The peryton is a mythological hybrid animal combining the physical features of a stag and a bird . The peryton was invented by Jorge Luis Borges in his 1957 Book of Imaginary Beings , using the fictional device of a supposedly long-lost medieval ...
Female: Female Queen Alexandra's birdwings are larger than males with markedly rounder, broader wings. The female can reach, and slightly exceed, a wingspan of 25 to 28 cm (10 to 11 in), a body length of 8 cm (3.1 in) and a body mass of up to 12 g (0.42 oz), all enormous measurements for a butterfly.
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Birds have wings whose development varies according to species; the only known groups without wings are the extinct moa and elephant birds. Wings, which are modified forelimbs , gave birds the ability to fly, although further evolution has led to the loss of flight in some birds , including ratites , penguins , and diverse endemic island species.