There are more than 365 different kinds of squirrel in the world. Of these, the largest is the Ratufa, or Indian Giant Squirrel, found in southeast Asia and parts of Nepal. This species has a head and body length of about 14 inches, and a tail that can be more than two feet long, making its total length more than three feet (almost 1 meter).
Indian Giant Squirrel
The smallest is the African Pygmy Squirrel, which is found in Nigeria, Cameroon, Congo, Equatorial Guinea, and Gabon. I measures just 5 1/2 inches (14cm) from it nose to the end of its tail.
African Pygmy Squirrel