The oldest known dog bones were found in Asia and date as far back as 10,000 B.C. The first identifiable dog breed appeared about 9000 B.C. and was probably a type of Greyhound dog used for hunting.
There is a species of cat smaller than the average housecat. It is native to Africa and it is the Black-footed cat (Felis nigripes). Its top weight is 5.5 pounds.