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A stylised superb lyrebird appears in the transparent window of the Australian 100 dollar note. A silhouette of a male superb lyrebird is the logo of the Australian Film Commission. An illustration of a male superb lyrebird, in courtship display, is the emblem of the New South Wales National Parks and Wildlife Service.
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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 tail and wings give them a distinctive 'W' silhouette in flight. [44] The legs and face are fully feathered. The totipalmate feet are short and weak, the webbing is reduced and part of each toe is free. [46] The bones of frigatebirds are markedly pneumatic, making them very light and contributing only 5% to total body weight.
WikiProject Birds is part of WikiProject Birds, an attempt at creating a standardized, informative and easy-to-use ornithological resource. If you would like to participate, visit the project page , where you can join the discussion and see a list of open tasks.
Lesser flamingos flying in formation. When in gliding flight, the upward aerodynamic force is equal to the weight.In gliding flight, no propulsion is used; the energy to counteract the energy loss due to aerodynamic drag is either taken from the potential energy of the bird, resulting in a descending flight, or is replaced by rising air currents ("thermals"), referred to as soaring flight.