Birdr

Waterfall Swift vs Cave Swiftlet

Hydrochous gigas versus Collocalia linchi

Practice

Play a quiz with Waterfall Swift and Cave Swiftlet

Waterfall Swift (Hydrochous gigas) Waterfall Swift
Cave Swiftlet (Collocalia linchi) Cave Swiftlet

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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Waterfall Swift · Cave Swiftlet · My Tricky Birds