|The African elephant is the largest extant land animal. Its tusks are elongated upper incisors.
||The sperm whale is the largest toothed whale. The whale can alter its buoyancy using the spermaceti organ located in its barrel-shaped head.
||Byrde’s whale is a member of the filter-feeding baleen whales. It mainly feeds on fish and ranges across the globe’s temperate waters.
||At 3.3 meters in length, this sunfish specimen is the largest among preserved specimens. It weighed 2.5 tons when it was caught off the coast of Ibaraki Prefecture in 1999.