Dogs are descendants of wolves and were domesticated over 20,000 years ago.
There are over 340 different dog breeds worldwide, ranging from tiny Chihuahuas to massive Great Danes.
The Basenji dog breed is known as the "barkless dog" because it doesn't bark like most dogs. Instead, it makes unique yodel-like sounds.
Dogs have an extraordinary sense of smell. Their noses contain up to 300 million scent receptors, while humans have only about 5 million.
The Greyhound is the fastest dog breed and can reach speeds of up to 45 miles per hour.
Dogs have a strong sense of loyalty and can form deep emotional bonds with their owners.
The world's smallest dog breed is the Chihuahua, while the largest is the Saint Bernard.
Dogs have been trained for various roles, including search and rescue, guide dogs for the visually impaired, and even sniffing out diseases like cancer.
Dalmatians are famous for their distinctive black spots, but they are born completely white and develop their spots as they grow older.
The Basenji, Shiba Inu, and Afghan Hound are some of the oldest dog breeds in the world, with a history dating back thousands of years.