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	 whooper swan (Cygnus cygnus), mute swan (Cygnus olor)
|  | Query: cygnus olor | Result: 25th of 153 |  | 
 
| Subject: | whooper swan (Cygnus cygnus), mute swan (Cygnus olor) 
 |  | Poster: | Wiki Photos (---@---.---) 
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File Size: 836468 Bytes
Upload Date: 2017:08:18 03:47:34 | 
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ERROR : Server Busy(-1105) whooper swan (Cygnus cygnus), mute swan (Cygnus olor) 1. The Whooper. Cygnus musicus.
 2. The Mute Swan. Cygnus olor.
 
 Heads of mute swan and whooper swan
 Date	1908
 Source	The Indian Ducks and their Allies
 Author	Henrik Grönvold  (1858–1940); John Gerrard Keulemans  (1842–1912)
 Source: https://commons.wikimedia.org/wiki/File:Swan_heads.jpg
 
 Cygnus musicus
 The whooper swan (Cygnus cygnus) is a large Northern Hemisphere swan. Whooper swans require large areas of water to live in, especially when they are still growing, because their body weight cannot be supported by their legs for extended periods of time. The whooper swan spends much of its time swimming, straining the water for food, or eating plants that grow on the bottom.
 
 Cygnus olor
 The mute swan (Cygnus olor) is a species of swan and a member of the waterfowl family Anatidae. Cygnus olor is native to much of Eurasia, and (as a rare winter visitor) the far north of Africa. Cygnus olor is an introduced species in North America, Australasia and southern Africa. The name 'mute' derives from it being less vocal than other swan species.
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