The marginated tortoise (Testudo marginata) is a species of tortoise found in Greece, Italy and the Balkans in southern Europe. It is the largest European tortoise, reaching a weight of up to 5 kg (11 lb) and a length of 35 cm (14 in). Its shell is oblong and has a notable thickness around the middle of the body. The posterior end of the shell has a saw-like formation, flanged outward like a bell. The carapaces of adult specimens are almost completely black, with yellow highlights. The front sides of the limbs are covered with large scales. The tail is notable for a lengthwise marking and for an undivided carapace over the tail. The marginated tortoise is herbivorous, and hibernates for the winter.

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