Details: This poster shows a puppy dog reading a book titled 'All About Cats'.
The dog (Canis lupus familiaris) is a domesticated subspecies of the wolf. The term encompasses both feral and pet varieties and is also sometimes used to describe wild canids of other subspecies or species. The domestic dog has been one of the most widely kept working and companion animals in human history, as well as being a food source in some cultures. There are estimated to be 400 million dogs in the world.