The main difference between Asian and African elephants is their size. Asian elephants are smaller than African elephants, with adult males growing up to 13 feet tall and weighing up to 6 tons. African elephants, on the other hand, can grow up to 13 feet tall and weigh up to 13 tons. Another difference is the shape of their ears. Asian elephants have smaller, rounded ears, while African elephants have larger, fan-shaped ears. Finally, Asian elephants have one tusk, while African elephants have two tusks.