This video from the USA says about itself:
10 March 2011
A flock of Ring-necked ducks hung around the Palace Lagoon at the Palace of Fine Arts in San Francisco.
From Rare Birds in Spain, on Twitter:
27.2.2015 Aythya collaris. 1 male La Massona, PN AIguamolls Empordà, Girona.
Aythya collaris means ring-necked duck. They are rare in Europe, not so rare in their northern North American homeland.
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