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Swan - Wikipedia, the free encyclopedia
Swans are birds of the family Anatidae within the genus Cygnus. The swans' close relatives include the geese and ducks.
https://en.wikipedia.org/wiki/Swan
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Mute Swan - Wikipedia, the free encyclopedia
The mute swan (Cygnus olor) is a species of swan, and thus a member of the waterfowl family Anatidae.
https://en.wikipedia.org/wiki/Mute_swan
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Trumpeter Swan - Wikipedia, the free encyclopedia
The trumpeter swan (Cygnus buccinator) is a species of swan found in North America.
https://en.wikipedia.org/wiki/Trumpeter_swan
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Swan (Cygnus Atratus) - A-Z Animals
The swan is a large aquatic bird closely related to geese and ducks. The swan is known for it's fierce temperament and the swans incredibly strong wings which are said to be able to cause dangerous (sometimes fatal) injuries to any animal the swan feels threatened by.
http://a-z-animals.com/animals/swan/
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Swan - Bird - Britannica
Largest waterfowl species of the subfamily Anserinae, family Anatidae (order Anseriformes). Most swans are classified in the genus Cygnus.
http://www.britannica.com/animal/swan
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Tundra Swans - National Geographic
Learn all you wanted to know about tundra swans with pictures, videos, photos, facts, and news from National Geographic.
http://animals.nationalgeographic.com/animals/birds/tundra-swan
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The RSPB: Mute swan
The mute swan is a very large white waterbird. It has a long S-shaped neck, and an orange bill with black at the base of it.
https://www.rspb.org.uk/discoverandenjoynature/discoverandlearn/birdguide/name/m/muteswan/
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Trumpeter Swan - All About Birds
Learn how to identify Trumpeter Swan, its life history, cool facts, sounds and calls, and watch videos. The largest of North American waterfowl, the Trumpeter Swan is resident throughout much of its range, but migratory in other parts.
https://www.allaboutbirds.org/guide/Trumpeter_Swan/id
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Mute Swan - Audubon
Brought in from Europe as an ornamental addition to parks and estates, the Mute Swan has established itself in a feral state in some parts of North America, mainly in the northeast.
https://www.audubon.org/field-guide/bird/mute-swan
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Mute Swan, Identification - All About Birds
Learn how to identify Mute Swan, its life history, cool facts, sounds and calls, and watch videos. The exotic Mute Swan is the elegant bird of Russian ballets and European fairy tales.
https://www.allaboutbirds.org/guide/Mute_Swan/id
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BBC - The Truth About Swans
Swans often do mate for life but it's less romantic than you'd think. And they probably can't break your arm
http://www.bbc.com/earth/story/20141204-the-truth-about-swans
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Beauty of Birds - What Do Swans Eat?
People are generally delighted to have these birds move into their local pond for them to enjoy.
https://www.beautyofbirds.com/swandiet.html
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Swan Facts for Kids - CoolKidFacts
Swan Facts This majestic and beautiful animal is well-known for being graceful and quite peaceful to look at.
http://www.coolkidfacts.com/swan-facts-for-kids/
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Tundra swan - Wikipedia, the free encyclopedia
The tundra swan is a small Holarctic swan. The two taxa within it are usually regarded as conspecific, but are also sometimes split into two species: Bewick's swan of the Palaearctic and the whistling swan proper of the Nearctic.
https://en.wikipedia.org/wiki/Tundra_swan
