<human>:  In the African savannah, how many different species of animals live there?
<bot>: The African savannah is home to about 12,000 species of animals. The largest and most diverse group of animals is the mammals. The most common mammal is the African elephant, which can weigh up to 12,000 pounds and live for 70 years. The second most common mammal is the African bush elephant, which weighs up to 6,000 pounds and lives for 50 years. The third most common mammal is the African forest elephant, which weighs up to 4,000 pounds and lives for 40 years.