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During nesting season, the female lays a clutch of 7–12 eggs with each of them measuring 4.9–6 cm (1.9–2.4 in) in length and 3.4–4.4 cm (1.3–1.7 in) in width. Incubation lasts for 24–27 days and the nestlings leave after around 1–2 days. A gadwall can only raise one brood a season [2]
Falkland steamer duck pair at Whale Bone Cove, Falkland Islands. Tachyeres brachypterus - MHNT. The Falkland steamer duck measures between 61 and 74 cm in length and has a wingspan of 84 to 94 cm. [9] [10] It is a fairly large species of duck with males weighing between 3300 and 4800 g, and females between 2900 and 4196 g. [10]
The duck struck by the central cluster of the shot typically dies and falls to the ground. However, ducks on the periphery of the shot may still be hit by some pellets, which they survive but result in lifelong suffering. Shooting at too far a distance also increases the risk of causing injury due to the increased spread of shot pellets. [24]
Ducks generally only have one partner at a time, although the partnership usually only lasts one year. [26] Larger species and the more sedentary species (like fast-river specialists) tend to have pair-bonds that last numerous years. [27] Most duck species breed once a year, choosing to do so in favourable conditions (spring/summer or wet seasons).
Hybrids between lesser scaup and ring-necked ducks are recognizable by very dark wings contrasting with a light grey underside more than in the lesser scaup but less than in the ring-necked duck. Hybrids between the lesser scaup and the redhead (A. americana) are recognizable by the lack of contrast between wings and belly and the dull brownish ...
Horse galloping The Horse in Motion, 24-camera rig with tripwires GIF animation of Plate 626 Gallop; thoroughbred bay mare Annie G. [1]. Animal Locomotion: An Electro-photographic Investigation of Consecutive Phases of Animal Movements is a series of scientific photographs by Eadweard Muybridge made in 1884 and 1885 at the University of Pennsylvania, to study motion in animals (including humans).
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The common goldeneye or simply goldeneye (Bucephala clangula) is a medium-sized sea duck of the genus Bucephala, the goldeneyes. Its closest relative is the similar Barrow's goldeneye . [ 2 ] The genus name is derived from the Ancient Greek boukephalos ("bullheaded", from bous , "bull " and kephale , "head"), a reference to the bulbous head ...