According to the Black Russian Terrier Club of America, behavioral problems occur when a BRT is left to its own devices, relegated to the backyard with little human contact.

At 13-weeks-old Russian Terrier, Mig, is a cute, black, fluffy ball of energy. When fully grown, he’ll be bigger than a German Shepherd and strong enough to push a man down to the ground.

A dog owner has been banned from keeping animals for five years after his ungroomed Russian Terrier was left suffering with 17lbs of filthy matted fur. Owner Tim Springett did not groom his dog Barney ...

According to the American Kennel Club, the Miniature Bull Terrier usually is about 10-14 inches (25.4 to 35.5 cm) tall, and weighs between 18-28 pounds (8.2-12.7 kilograms).