Birdr

Thick-billed Siskin vs Hooded Siskin

Spinus crassirostris versus Spinus magellanicus

Practice

Play a quiz with Thick-billed Siskin and Hooded Siskin

Thick-billed Siskin (Spinus crassirostris) Thick-billed Siskin
Hooded Siskin (Spinus magellanicus) Hooded Siskin

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Thick-billed Siskin · Hooded Siskin · My Tricky Birds