stone marten images - Joel Sartore

Beech marten (Martes foina) at the Moscow Zoo.

Beech marten (Martes foina) at the Moscow Zoo.

Beech marten (Martes foina) at the Moscow Zoo.

A beech marten (Martes foina) at Centro Fauna Selvatica “Il Pettirosso”.

A beech marten (Martes foina) at Centro Fauna Selvatica “Il Pettirosso”.

A beech marten (Martes foina) at Centro Fauna Selvatica “Il Pettirosso”.

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National Geographic Photographer and Speaker