Whales are mammals that have an incredibly size range, yet all whales fall between 13 feet long and 90 feet long. The blue whale, the largest known whale or mammal, ranges from around 70 feet to 90 feet. Most other well-... More »

Blue whales weigh approximately 200 tons and can grow to a length of between 82 and 105 feet. They are the largest mammals to have ever lived on earth. More »

www.reference.com Pets & Animals Mammals Marine Mammals

The average length of a whale shark is 18 to 32 feet long. They weigh around 20.6 tons. This incredible size makes whale sharks the largest fish in the sea. More »

www.reference.com Pets & Animals Marine Life Sharks

Humpback whales range between 48 and 62.5 feet in length and can weigh up to 40 tons. As baleen whales, humpbacks' consume krill, plankton and small fish. The complex vocalizations of humpbacks are called songs and can l... More »

www.reference.com Pets & Animals Mammals Marine Mammals

Killer whales eat a wide range of large animals, including seals, sea lions, smaller whales, bony fish, sharks, cephalopods, sea turtles and otters. They are the apex predators of the oceans, swallowing smaller prey whol... More »

www.reference.com Pets & Animals Mammals Marine Mammals

Blue whales are the largest whales. They are 100 feet long and weigh more than 200 tons. The heart of a blue whale is the size of an automobile, and the tongue weighs about as much as an elephant. More »

Whales belong to an order of mammals called cetaceans, so an alternative generic term for a whale is a cetacean. However, cetaceans include not only whales, but dolphins and porpoises as well. These mammals are divided i... More »