Birdr

Thick-billed Warbler vs Eastern Olivaceous Warbler

Arundinax aedon versus Iduna pallida

Practice

Play a quiz with Thick-billed Warbler and Eastern Olivaceous Warbler

Thick-billed Warbler (Arundinax aedon) Thick-billed Warbler
Eastern Olivaceous Warbler (Iduna pallida) Eastern Olivaceous Warbler

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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Thick-billed Warbler · Eastern Olivaceous Warbler · My Tricky Birds