description Lake duck Overview
The lake duck, Oxyura vittata, is a stiff-tailed duck native to South America and also known as the Argentine lake duck. The species is notable for the unusual reproductive anatomy of its males: a male studied near Córdoba, Argentina, had an everted penis measuring 42.5 centimetres. This record has made the species a reference point in scientific discussions of avian sexual anatomy and sexual selection.
help Lake duck FAQ
How good is Lake duck?
Lake duck scores 6.52/10 (Fair) on Lunoo, making it rated in the Waterfowl category.
What are the best alternatives to Lake duck?
See our alternatives page for Lake duck for a ranked list with scores. Top alternatives include: Red-crested pochard, Rosy-billed pochard, Maned duck.
How does Lake duck compare to Red-crested pochard?
See our detailed comparison of Lake duck vs Red-crested pochard with scores, features, and an AI-powered verdict.
Is Lake duck worth it in 2026?
With a score of 6.52/10, Lake duck is a solid option in Waterfowl. See all Waterfowl ranked.
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