Birdr

Ring-necked Duck vs Ferruginous Duck

Aythya collaris versus Aythya nyroca

Practice

Play a quiz with Ring-necked Duck and Ferruginous Duck

Ring-necked Duck (Aythya collaris) Ring-necked Duck
Ferruginous Duck (Aythya nyroca) Ferruginous Duck

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Ring-necked Duck · Ferruginous Duck · My Tricky Birds