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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 ...
Goldeneye. Known fossil taxa are: Bucephala cereti (Sajóvölgyi Middle Miocene of Mátraszõlõs, Hungary - Late Pliocene of Chilhac, France) Bucephala ossivalis (Late Miocene/Early Pliocene of Bone Valley, United States), which was very similar to the common goldeneye and may even have been a paleosubspecies or direct ancestor
The avifauna of Indonesia include a total of 1809 species, of which 786 are endemic, and 3 have been introduced by humans. 150 species are globally threatened. This list's taxonomic treatment (designation and sequence of orders, families and species) and nomenclature (common and scientific names) follow the conventions of The Clements Checklist ...
Barrow's goldeneye: Bucephala islandica (Gmelin, JF, 1789) 158 Smew: Mergellus albellus (Linnaeus, 1758) 159 Hooded merganser: Lophodytes cucullatus (Linnaeus, 1758) 160 New Zealand merganser: Mergus australis Hombron & Jacquinot, 1841 (E) 161 Brazilian merganser: Mergus octosetaceus Vieillot, 1817: 162 Common merganser: Mergus merganser ...
Tribe: Mergini, eiders, scoters, sawbills and other sea-ducks Common goldeneye couple, male on the right (There are 9 extant genera and some 20 living species; most of this group occur in the Northern Hemisphere, but a few [mostly extinct] mergansers in the Southern Hemisphere) Shiriyanetta (prehistoric) Polysticta, Steller's eider
Common goldeneye (Bucephala clangula) Barrow's goldeneye (Bucephala islandica) Bufflehead (Bucephala albeola) Mergellus Selby, 1840: Smew (Mergellus albellus) Lophodytes Reichenbach, 1853: Hooded merganser (Lophodytes cucullatus) Mergus Linnaeus, 1758: Red-breasted merganser (Mergus serrator) †New Zealand merganser (Mergus australis)
Barrow's goldeneye (Bucephala islandica) is a medium-sized sea duck of the genus Bucephala, the goldeneyes. This bird was named after Sir John Barrow . The genus name is derived from Ancient Greek boukephalos , "bullheaded", from bous , "bull" and kephale , "head", a reference to the bulbous head shape of the bufflehead .
The eggs that they lay are about 4 millimetres (0.16 in) in size and they are semi-buoyant. This is a rare trait in fresh water fish, but is more common in marine fish. The eggs are suspended in the water and they drift downstream or to quiet waters. The majority of growth that occurs between June and September. [9]