Motmot

Cassin's Auklet vs Black Guillemot

Ptychoramphus aleuticus versus Cepphus grylle

Play a quiz with Cassin's Auklet and Black Guillemot

Cassin's Auklet (Ptychoramphus aleuticus) Cassin's Auklet
Black Guillemot (Cepphus grylle) Black Guillemot

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Cassin's Auklet · Black Guillemot · My Tricky Birds