Birdr

Knob-billed Duck vs Eurasian Nightjar

Sarkidiornis melanotos versus Caprimulgus europaeus

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Knob-billed Duck (Sarkidiornis melanotos) Knob-billed Duck
Eurasian Nightjar (Caprimulgus europaeus) Eurasian Nightjar

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Knob-billed Duck · Eurasian Nightjar · My Tricky Birds