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Otter Lutra lutra Length 95-135cm Sinuous swimmer with a bounding gait on land. Feeds mainly on fish. Adult has long, cylindrical body, with short legs and long, thickset tail. Blunt head has sensitive bristles and toes are webbed. Coat is mainly brown but chin, throat and belly are whitish. Fur has water-repellent properties: sleek in water but ‘spiky’ when dry. Mostly silent. Persecuted and poisoned (by agricultural pesticides) until mostly extinct in lowland Britain by 1960s. Now recovering and recolonising former haunts.