Birdr

Upcher's Warbler vs Lesser Swamp Warbler

Hippolais languida versus Acrocephalus gracilirostris

Practice

Play a quiz with Upcher's Warbler and Lesser Swamp Warbler

Upcher's Warbler (Hippolais languida) Upcher's Warbler
Lesser Swamp Warbler (Acrocephalus gracilirostris) Lesser Swamp 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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Upcher's Warbler · Lesser Swamp Warbler · My Tricky Birds