1. African Elephant The African elephant is the largest mammal on land. Male and female are dimorphic (male and female have different body shapes or physical characteristics). An adult African male elephant is taller than 3.5 meters, and can reach up to 4.1 meters. Weighing approximately 2.7 to 6 tons, females are smaller than males, with the heaviest recorded being 13.5 tons. They can live in a variety of natural environments from sea level to 5,000 meters above sea level, including forests, op...