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 »

Depending on the species, a whale can stay underwater for as few as 20 minutes or as long as 2 hours. Whales are mammals, which is why they must come to the surface of the water to breathe. More »

Although the average lifespan of a humpback whale is debated, most research places their life spans at around 40 to 50 years. Humpback whales do not have teeth, so scientists can't use standard methods of testing age in ... More »

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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 »