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In 1837, William Swainson named the genus Dendrocygna to distinguish whistling ducks from the other waterfowl. [2] The type species was listed as the wandering whistling duck (D. arcuata), formerly named by Thomas Horsfield as Anas arcuata. [3] Whistling duck taxonomy, including that of the entire order Anseriformes, is complicated and disputed ...
Diurnality, plant or animal behavior characterized by activity during the day and sleeping at night. Cathemeral, a classification of organisms with sporadic and random intervals of activity during the day or night. Matutinal, a classification of organisms that are only or primarily active in the pre-dawn hours or early morning.
A Brief History Pointing to Innate Behavior. Friedrich Goethe was the first to perform experiments using silhouettes (1937, 1940). He found that naive Capercaillie exhibited a greater fear response to a silhouette of a hawk than to a circle, a triangle, or a generalized bird silhouette, but that this varied with both species, and prior experience. [9]
Eurasian cranes in a V formation (video) Birds flying in V formation. A V formation is a symmetric V- or chevron-shaped flight formation.In nature, it occurs among geese, swans, ducks, and other migratory birds, improving their energy efficiency, while in human aviation, it is used mostly in military aviation, air shows, and occasionally commercial aviation.
It is a vocal duck, especially at night. The male gives a soft preep, and the female has a loud quack. The grey teal is a gregarious species. In Australia it is nomadic, rapidly colonising suitable habitat following rain. In 1957, large numbers fled Australia, moving to New Zealand to escape drought.
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Qwak! is a duck hunting arcade game in which the player uses a rifle-shaped light gun to fire at targets on the screen. One duck at a time flies across the screen, with each duck appearing in a different place on the sides of the screen and flying in different paths. The player is allowed three shots to hit the duck as it flies across the screen.