Harlequin ducks (Histrionicus histrionicus) at the Sylvan Heights Bird Park.
A harlequin duck, Histrionicus histrionicus, at Sylvan Heights Bird Park.
Harlequin ducks, Histrionicus histrionicus, at Sylvan Heights Bird Park.
A harlequin duck (Histrionicus histrionicus) at the Cincinnati Zoo.
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