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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 ...
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 .
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 drake smew, with its 'cracked ice' or 'panda' appearance, is unmistakable, and looks very black-and-white in flight. The females and immature males are grey birds with chestnut foreheads and crowns, and can be confused at a distance with the ruddy duck; they are often known as "redhead" smew. It has oval white wing-patches in flight.
Common and scientific names are also those of the Check-list, except that the common names of families are from the Clements taxonomy because the AOS list does not include them. Unless otherwise noted, all are considered to occur regularly in Acadia National Park as permanent residents, summer or winter visitors, or migrants.
The bufflehead (Bucephala albeola) is a small sea duck of the genus Bucephala, the goldeneyes.It breeds in Alaska and Canada and migrates in winter to southern North America.
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]
Common and scientific names are also those of the Check-list, except that the common names of families are from the Clements taxonomy because the AOS list does not include them. Canadian birds most closely resemble those of Eurasia, which was connected to the continent as part of the supercontinent Laurasia until around 60 million years ago. [4]