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www.reference.com/article/largest-whale-a0061d09f807e9a9

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.

www.reference.com/article/largest-whale-ever-recorded-2451324ca905db8e

The largest whale recorded in history is the blue whale. Blue whales weigh up to 200 tons and grow to lengths of 100 feet. Their hearts weigh as much as an automobile, and their tongues weigh as much as an elephant.

www.reference.com/article/eats-whales-582586e85111da05

Killer whales, sharks and false killer whales eat whales. False killer whales and killer whales may hunt whales in packs. Humans are largely considered to be the primary predator of whales.

www.reference.com/article/smallest-whale-29972f71ddff482

The beluga whale, also called a white whale, is the smallest species of whale. The average beluga weighs 2,000 to 3,000 pounds and measures 13 to 20 feet in length.

www.reference.com/article/problems-whaling-4728e8fc175b03c8

A few problems with whaling include the potential extinction of some species, the lack of a humane way to hunt whales at sea, and a falling demand for whale meat and products. In 1986, the International Whaling Commission placed a ban on commercial whaling, but Japan, I...

www.reference.com/article/whale-fish-3f221de5c8bf78e9

Whales are not considered fish. Although they resemble other animals that are considered fish, whales have a very different anatomy. Whales share many more anatomical and genetic features with another group of animals entirely: mammals.

www.reference.com/article/another-name-whale-ea8ca536bcfb50e2

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 into two groups: baleen whales and toothed whales.