The largest animal in the rainforest is the African forest elephant. This forest dwelling elephant weighs approximately 2, 000 pounds and is found in the Congo Basin. More »

Animals live in the rainforest because it is the oldest ecosystem on Earth. Many of the world's rainforests have been around longer than 100 million years. More »

Many of the rainforest's birds, reptiles, amphibians and mammals are endangered. These include familiar animals, such as the chimpanzees of Central Africa, and relatively unknown animals, such as the elephant frog of Aus... More »

The animal with the largest lungs in the world is the blue whale. In total, its lungs have a combined capacity of over 1,300 gallons of air. More »

The animal with the largest brain is the sperm whale. Its brain weighs approximately 17 pounds and can grow to be nearly 500 cubic inches. More »

The African elephant is the animal with the largest teeth. An African elephant has two modified incisors, called tusks, and four molars. Each tusk measures up to 8 feet long and weighs up to 100 pounds or more. More »

The African elephant is the largest land animal. It is also the largest proboscid. African elephants can weigh 4 to 7 tons and can be 13 to 16 feet long. More »