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Family - Anatidae Subfamily - Cygininae
Swans Family - Anatidae Subfamily - Cygininae
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North American Swan characteristics
Long neck Broad, flat bill Sieve-like lamellae Gray to black legs Male larger than female Front 3 toes webbed Adult body white
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Habitat & Food Found in temperate climate
Up-end or dabble to feed on submerged and bottom vegetation in shallow lakes, ponds, estuaries Also eats aquatic animals
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Swans Breeding in North America
Mute Tundra Whooper Trumpeter
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Mute Swan (Cygnus olor) originally from Europe
Large, heavy, thick-necked, knob-billed Adults white-bodied with bright orange bill and black face mask Neck often held in S- shaped curve especially when threatened Rides high in the water and cocks long pointed tail
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Mute Swan (Cygnus olor)
Most likely swan to be found in urban or suburban ponds, parks as well as inlets, bays, and lagoons. Flight direct and in flocks flies in V formation Sound of wings beating can be heard some distance Varied calls including bugle sound, grunt, hisses, wheezes, and snorts
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Tundra Swan Cygnus columianus
Smaller swan (52”) Bill black with yellow teardrop at base and distinct eye Slender short neck held straight up Bill concave in adults and slightly pink/swollen in immatures Breeds on tundra lakes and ponds near seacoasts; otherwise found in shallow ponds, rivers, bays, estuaries Migrates, nests, and forages in large flocks Direct fast flight with steady wing beats Voice varied from clear “kwoo” or “woo-ho” to wailing, hooting, barking, or baying sounds.
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Trumpeter Swan Cygnus buccinator
Large white swan with black legs and feet Bill black, wedge- shaped, and base seems to cover the eye Slouch-necked unless straightened in an alert position
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Trumpeter Swan Cygnus buccinator
Breeds on northern forest lakes and ponds Forages on emergent vegetation and in aquatic habitats as well as grasslands Low pitched voice and nasal honking Immature higher pitched with toy trumpet sound
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Whooper Swan Cygnus cygnus
L -60”; long neck, body, and bill with short roundish tail Adult’s bill is black from tip to middle and yellow from middle onto and under base; juvenile similar pattern but whitish base pinkish tip
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Whooper Swan Cygnus, cygnus
Has bred in the Aleutian Islands, Alaska. Habitat includes tundra lakes and marshes, open water, and agricultural fields
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Other Swans Black Swan – Cygnus atratus (Australian)
Black-necked Swan – Cygnus melanocorypha (South America) Coscoroba Swan – Coscoroba coscoroba (South America)
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Black Swan Australian wetlands habitats (fresh, brackish, and saltwater) Adult has sooty black body with hidden white flight feathers; juvenile is grayer Bill is red with a pale bar and tip Herbivorous feeder
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Black Swan Breeds in large colonies
Monogamous breeder with shared incubation and rearing by the sexes In flight long neck and slow wing beat separates it from Magpie Goose
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Black-necked Swan Cygnus melanocorypha
South American swan Adults: Black-necked, white bodied, gray bill with red knob. White stripe behind eye.
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Black-necked Swan Cygnus melancoryphus
Habitat: freshwater marshes, lake shores, and lagoons Cygnets are light grey with black bill and feet. Parents may carry them on their backs until cygnets can swim on own.
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Coscoroba Swan Coscoroba coscoroba
A South American swan White plumage with black tips Red beak, legs and feet Cygnet is brown and gray patches No black mask Small in size closer to goose
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Coscoroba Swan Feeds on grass and aquatic plants
Also eats mussels and fish Male guards female as she incubates eggs and the young until they fledge
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References A World Checklist of Birds by Burt L. Monroe, Jr. and Charles G. Sibley Pete Dunn’s Essential Field Guide Companion The Birdwatcher’s Companion to North American Birdlife by Christopher Leahy The Sibley Guide to Birdlife & Behavior edited by Chris Elphick, John B. Dunning, Jr., and David Allen Sibley The Stokes Field Guide to the Birds of North America by Donald & Lillian Stokes Wikipedia online for South American and Australian Swans
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