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border collie
border collie Border collie herding sheep.

sheepdog

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sheepdog, In general, any dog breed developed to herd sheep; specifically, the border collie. Most sheepdog breeds stand about 2 ft (60 cm) and weigh over 50 lbs (23 kg). The French briard has bushy brows and a long, waterproof coat. The Belgian sheepdog has long black hair and erect ears. The Hungarian puli has a coat of long ropelike cords. It stands 16–19 in. (41–48 cm) and weighs about 30 lbs (14 kg). See also Old English sheepdog, Shetland sheepdog.

This article was most recently revised and updated by Amy Tikkanen.