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Step 1
Begin by judging the dog’s size, weight and general body type. The dog should be no more than 10" high at the shoulder and rather long-bodied at 14" from chest to hindquarters. The tail should be thick and no more than 1/3 as long as the dog. It should be thick, covered with short bristles and almost always pointing directly upward.
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Step 2
Look at the dog’s fur. It should have a long and shaggy outercoat, as well as a short and fine undercoat. The fur will stick out like spikes across much of the body, barring the back, sides and tail. The coat may be colored red, brindle, grey, black or sand. Dark points on the ears, eyes and muzzle are common but not mandatory.
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Step 3
Examine the dog’s head. The skull should be very wide, with almost perfectly triangular ears sticking up diagonally from the sides. It should have very bushy eyebrows, as well as a mustache of long fur running out to the sides of the thick muzzle. The eyes should be set deeply in the skull and hazel in hue. If the dog matches this description, you’re looking at a Cairn Terrier.














