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  1. Dog - Companion, Hunting, Protection | Britannica

    3 days ago · Dog - Companion, Hunting, Protection: Dogs have played an important role in human history and were among the first domesticated animals. They have served as hunting allies, …

  2. Dog | History, Domestication, Physical Traits, Breeds, & Facts | Britannica

    3 days ago · The dog is one of the two most ubiquitous and most popular domestic animals in the world (the cat is the other). For more than 12,000 years it has lived with humans as a hunting companion, …

  3. American Bully | Controversy, Dangers, Lifespan, Size, Temperament ...

    Nov 9, 2025 · An overview of the American Bully dog breed, including its temperament and pet care needs. Because of its strength and history of attacks on people and other animals, American Bullies …

  4. Dog sports | List, Types & Competitions | Britannica

    Dog sports are organized contests that provide physical exercise and mental stimulation for the animals, fun opportunities that allow dog owners to bond with their pets, and entertainment for spectators. …

  5. The Brown Dog Affair | Saving Earth | Encyclopedia Britannica

    In 1903 in London, an anonymous brown dog was subjected over the course of several months to repeated live surgery—described by witnesses to one instance as having been conducted without …

  6. Great Dane | Size, Lifespan, Temperament & Health Issues | Britannica

    Nov 28, 2025 · The dog is one of the two most ubiquitous and most popular domestic animals in the world (the cat is the other). For more than 12,000 years it has lived with humans as a hunting …

  7. Pit bull | Size, Types, Life Expectancy & Temperament | Britannica

    Oct 27, 2025 · The pit bull is a fighting dog developed in the British Isles in the 19th century for hunting, specifically for capturing and restraining semi-feral livestock.

  8. What Is the Smartest Dog Breed? - Encyclopedia Britannica

    Border Collies are widely regarded as the smartest dog breed. They excel at herding, agility, and learning complex tasks quickly. They also need a lot of mental and physical stimulation from their …

  9. What’s the Most Popular Dog Breed in the U.S.? | Top 10, French …

    Sep 8, 2025 · Since 2022 the “Frenchie” has held the title of most popular dog in the United States. The small but sturdy canine dethroned the Labrador Retriever, which had been the most popular breed …

  10. Poodle | Size, Lifespan & Grooming | Britannica

    Nov 15, 2025 · Poodle, breed of dog thought to have originated in Germany but widely associated with France, where it is hugely popular. The Poodle was developed as a water retriever, and the …