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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 ...
Like many ducks, common pochards suffer a high rate of parasitic egg-laying, a behaviour also known as egg dumping. Studies have shown that as many as 89% of nests in some areas contain one or more eggs not laid by the incubating female. [22] [23] The percentage of parasitic eggs may reach as high as 37% of all eggs laid in some populations. [23]
This is a list of the breeds of domestic duck which have official recognition at national or international level. [1]Most breeds of duck derive from the wild mallard, Anas platyrhynchos, while a small minority are descendants of the Muscovy duck, Cairina moschata.
The genus Bucephala was introduced in 1858 by American naturalist Spencer Baird with the bufflehead as the type species. [1] [2] The genus name is derived from Ancient Greek βουκέφαλος bouképhalos, meaning ' bullheaded ', from boûs ' bull ', and kephalḗ, ' head ', a reference to the crest of the bufflehead making its head look large.
The birds are large-framed, hardy and fast-growing – they may reach a body-weight of more than 3.5 kg (8 lb) in seven weeks. They have a high feed conversion ratio, are calm-tempered and fertile, and their eggs have a high rate of hatchability. [2]: 93 The white feathers make the carcass easy to clean after being plucked. [17]: 193
The ferruginous duck (Aythya nyroca), also known as ferruginous pochard, common white-eye or white-eyed pochard, is a medium-sized diving duck from Eurosiberia.The scientific name is derived from the Ancient Greek word, αἴθυιᾰ (aithuia), an unknown seabird mentioned by authors including Hesychius and Aristotle, and the Russian word, нырок (nyrok), [2] the Russian word for pochard ...
What did 14-year-old skateboarder Arista Trew request from her parents after she received an Olympic gold medal in skateboarding? A duck.
The Golden Cascade is a breed of domestic duck developed in the United States. In 1979, David Holderread of Corvallis, Oregon set out to breed a duck that was fast growing, active, laid eggs well, and was auto-sexing. By the mid-1980s, the Golden Cascade was introduced to the market.