Birdr

Buff-collared Nightjar vs Red-flanked Bluetail

Antrostomus ridgwayi versus Tarsiger cyanurus

Practice

Play a quiz with Buff-collared Nightjar and Red-flanked Bluetail

Buff-collared Nightjar (Antrostomus ridgwayi) Buff-collared Nightjar
Red-flanked Bluetail (Tarsiger cyanurus) Red-flanked Bluetail

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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Buff-collared Nightjar · Red-flanked Bluetail · My Tricky Birds