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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 ...
Size and ecology IUCN status and estimated population ... Common goldeneye Male Female Bucephala clangula (Linnaeus, 1758) Two subspecies. B. c. clangula (Linnaeus ...
The male Barrow's goldeneye differs from the male common goldeneye in the fact that the common goldeneye has a round white patches on the face, less black on the back of the bird, a greenish gloss, and a larger bill. For the females, the common goldeneye has a less rounded head, and a bill in which only the tip is yellow. [10]
The goldeye is considered a good fly-fishing fish, but not popular with most anglers because of its small size. It is one of 122 new species of animals, birds, and fish documented by the Lewis & Clark Corps of Discovery. [13] Commercial fishing of this species was reported as early as 1876. [14]
The first shark-like chondrichthyans appeared in the oceans 400 million years ago, [1] developing into the crown group of sharks by the Early Jurassic. [ 2 ] Listed below are extant species of shark.
English: Comparison of size of basking shark (Cetorhinus maximus) and human. The diagram assumes a length of 7 metres for the shark and 1.75 metres for the human (giving a ratio of 4ː1). The diagram assumes a length of 7 metres for the shark and 1.75 metres for the human (giving a ratio of 4ː1).
The following other wikis use this file: Usage on ast.wikipedia.org Carcharodon carcharias; Usage on bn.wikipedia.org সাদা হাঙ্গর
Jersey Shore shark attacks of 1916 – series of shark attacks along the coast of New Jersey between July 1 and July 12, 1916 [4] Summer of the Shark – the name given to the summer of 2001 by American media outlets capitalizing on a bull shark attack and subsequent shark attacks [ 5 ]