Wild Wonders of Europe / Unterthiner / Whooper swans (Cygnus cygnus) in snow, Lake Tysslingen, Sweden, March 2009
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Wild Wonders of Europe / Unterthiner / Two Whooper swans (Cygnus cygnus) calling, Lake Tysslingen, Sweden, March 2009
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Wild Wonders of Europe / Unterthiner / Whooper swans (Cygnus cygnus) one stretching wings, Lake Tysslingen, Sweden, March 2009
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Wild Wonders of Europe / Unterthiner / Whooper swans (Cygnus cygnus) in snow, Lake Tysslingen, Sweden, March 2009
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Wild Wonders of Europe / Unterthiner / Whooper swan (Cygnus cygnus) flapping wings, Lake Tysslingen, Sweden, March 2009
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Wild Wonders of Europe / Unterthiner / Whooper swan (Cygnus cygnus) pecking at juvenile, Lake Tysslingen, Sweden, March 2009
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Wild Wonders of Europe / Unterthiner / Two Whooper swans (Cygnus cygnus) one stretching wings, Lake Tysslingen, Sweden, March 2009
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Edwin Giesbers / RF- Silhouette of a Mute Swan (Cygnus olor) in flight. The Netherlands. March. (This image may be licensed either as rights managed or royalty free.)
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Wild Wonders of Europe / Unterthiner / Whooper swans (Cygnus cygnus) in snow, Lake Tysslingen, Sweden, March 2009
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Wild Wonders of Europe / Unterthiner / Whooper swans (Cygnus cygnus) three landing, others on ground, some preening, Lake Tysslingen, Sweden, March 2009
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Wild Wonders of Europe / Unterthiner / Whooper swans (Cygnus cygnus) and Greylag geese (Anser anser) in snow, Lake Tysslingen, Sweden, March 2009
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Wild Wonders of Europe / Unterthiner / Whooper swans (Cygnus cygnus) adults and juveniles with Greylag geese (Anser anser) Lake Tysslingen, Sweden, March 2009
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Wild Wonders of Europe / Unterthiner / Whooper swans (Cygnus cygnus) in snow, Lake Tysslingen, Sweden, March 2009
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Steve Knell / Goldeneye (Bucephala clangula) male taking off from forest pool. Sweden, 2006
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Steve Knell / Pintail {Anas acuta} female duck landing on water with ice, Lancashire, UK, 2006
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John Cancalosi / Ruddy Duck {Oxyura jamaicensis} male, display, NY, USA
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Tom Vezo / Canvasback duck {Aythya valisineria} resting, Long Island, NY, USA.
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Tom Vezo / Three Pintail duck {Anas acuta} up ended in water, feeding, California, USA.
