06/07/2022
To date, more than 150 breeds of dogs are known, divided into 8 classes.
According to the latest estimates, there are 400 million dogs in the world.
Chances are good that every dog on the planet comes from a species known as Tomarctus, a creature that roamed the earth more than 15 million years ago.
All dogs, regardless of breed, are direct descendants of wolves and technically the same species.
Probably the oldest known dog breed is the Persian Greyhound, first trained by the Egyptians.
Newfoundland are the best swimmers because of their spider feet.
The Norwegian Lundehund is the only dog with six toes on each paw.