Birdr

Greater Scaup vs Blue-grey Gnatcatcher

Aythya marila versus Polioptila caerulea

Practice

Play a quiz with Greater Scaup and Blue-grey Gnatcatcher

Greater Scaup (Aythya marila) Greater Scaup
Blue-grey Gnatcatcher (Polioptila caerulea) Blue-grey Gnatcatcher

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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Greater Scaup · Blue-grey Gnatcatcher · My Tricky Birds