20 Mysterious Dog Breeds Most People Never Knew Existed

8. Brussels Griffon

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The Brussels Griffon's expressive face is immediately endearing. These rare dogs almost vanished during the world wars but have persisted thanks to dedicated breeders. They are extremely social and dislike prolonged solitude. Originally developed to hunt rats in Belgian stables, they are now treasured companions. Their coats can be rough or smooth and appear in four colors: red, black, black and tan, and beige. Their human-like expressions and characteristic beards make them easily recognizable. Despite their small stature, they are confident and full of character. They develop strong bonds with their owners and may experience separation anxiety if left alone excessively.