12 toughest dog breeds

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Dalmatian

Highly intelligent and loyal, Dalmatians have lots of energy and need to be kept busy. When bored, they can become aggressive and destructive, which is a combination that can make them hard to train.

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Grey Hound

A famous racing breed, the intelligent Greyhound is highly energetic. However, they're pretty sensitive and need a soft hand in training.

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American Pit Bull Terrier

Long bred for their aggression and fighting skills, this doesn't mean this breed can't be well-behaved and loving. However, with that in mind, they're only recommended for experienced owners.

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Affenpinscher

While smart, these pooches are independent and in need of consistent obedience training. For anyone willing to put in the time, this smart breed makes a fine companion dog.

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Chesapeake Bay Retriever

A popular hunting breed, they are the most stubborn of all the retrievers. With their guard dog qualities, it's best that only experienced dog owners and trainers handle them.

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Pug

Independent and mischievous, this playful breed needs consistent obedience training. And while you'll want to constantly pick them up, this could develop "little dog syndrome," which makes them even harder to train

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Basenji

A calm dog breed, the Basenji is highly independent and doesn't bark very much. But their independent and selective personality can be a challenge, especially in distracting environments.

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Bloodhound

Bloodhounds are hunting dogs known for their exceptional sense of smell. However, their instincts and self-reliance can pose a challenge during training.

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Chihuahua

As the world's smallest dogs, Chihuahuas are also one of the most aggressive and independent breeds, a combination that makes them hard to train.

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Malamute

Similar to huskies, the malamute is a cold-weather breed known for its strong sense of independence. They're also not very motivated by food, toys, or pleasing their owners.

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Great Pyrenees

The Great Pyrenees were bred to operate on their own agenda, as they guarded sheep and rarely relied on human command.

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Border Collie

This loyal and high-energy breed is known for herding sheep over vast distances throughout Scotland and England.

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