Birdr

Red-breasted Merganser vs Masked Duck

Mergus serrator versus Nomonyx dominicus

Practice

Play a quiz with Red-breasted Merganser and Masked Duck

Red-breasted Merganser (Mergus serrator) Red-breasted Merganser
Masked Duck (Nomonyx dominicus) Masked Duck

Media

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These two are often mixed up in quizzes. Look at the photos, then practise the pair until the field marks stick.

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Red-breasted Merganser · Masked Duck · My Tricky Birds