Birdr

Ferruginous Duck vs Greater Scaup

Aythya nyroca versus Aythya marila

Practice

Play a quiz with Ferruginous Duck and Greater Scaup

Ferruginous Duck (Aythya nyroca) Ferruginous Duck
Greater Scaup (Aythya marila) Greater Scaup

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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Ferruginous Duck · Greater Scaup · My Tricky Birds