Designation: Mustelid

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Habitat: Its native to Eurasia and the northern regions of North America. Was also introduced in New Zealand.

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Diet: Feeds predominately on mouse-like rodents, but sometimes birds, fish, herptiles, insects, and even larger mammals.

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Size: Varies but usually ranges from 170 to 325 mm (6.7 to 12.8 in) in body length, not including its tail.

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Lifecycle: Reports indicate a life cycle of around 12 to 20 years.