It is the largest known animal ever to inhabit the earth, exceeding even the great dinosaurs. Adult blue whales grow to more than 90 ft
Their tongues alone can weigh as much as an elephant - their hearts, as much as a car. A single adult blue whale can consume 36, kg of krill a day.
They mainly catch their food by diving, and descend to depths of approximately m. Blue whales have few predators but are known to fall victim to attacks by sharks and killer whales, and many are injured or die each year from impacts with large ships.
There is what looks like a moustache of long bristles on the end of each plate to help it hold the minute prey. With each mouthful, the whale can hold up to 5, kg of water and plankton.
Having forced the water out of its mouth, the whale licks these bristles with its fleshy tongue. Although the blue whale is a deep-water hunter, as a mammal, it must come to the surface of the sea to breathe.
When it surfaces, it exhales air out of a blowhole in a cloud of pressurized vapour that rises vertically above the water for up to 9m. Females breed only once every three years and gestation is between months. Females usually only have one young.
A baby blue whale calf emerges weighing up to 2,kg and up to 8m long. New born whales are helped to the surface of the water by their mothers and are often encouraged nudged by other females so that they can take their first breath of air.
The calf is suckled in the water, drinking more than litres of milk each day and gaining about 90kg every day for its first year. Share Blue Whale behaviour Blue whales occasionally swim in small groups but usually swim alone or in pairs. They are thought to form close attachments.
It is thought that in good conditions blue whales can hear each other across distances of up to 1,km. Share Conservation status of the Blue Whale Intensive hunting in the s by whalers seeking whale oil drove them to the brink of extinction.
Hundreds of thousands of whales were killed. The International Whaling Commission finally gave Blue Whales protection, although they have only recovered slightly since then."Blue Whale" first attracted news coverage in May in an article in Russian newspaper Novaya Gazeta that linked many unrelated child suicides to membership of group "F57" on the Russian-based VKontakte social network.
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Baleen whales have twin blowholes and include gray, blue, sei, fin, right, bowhead, bryde, minke and the humpbacks. The blue whales are the largest animals ever to inhabit the face of the earth and can reach over feet and weigh tons. Introduction to whales Because whales are mammals, not fish, they breathe air, are warm-blooded, give live birth, suckle their young, and even have hair!
Unlike fish, they swim by moving their flukes (tail) vertically rather than horizontally. The Blue Whale Essay Examples.
An Analysis of the Blue Whale, the Largest Sea Creature Known to Man. 1, words. 3 pages. A Description and Basic Information about Whales. 1, words.
An In-depth Look at the Whale. 1, words. 2 pages. A Description of the Blue as Earth Largest Animal. 1, words. 2 pages. An Overview of the. Dec 08, · The Blue whales is one of the 13 species of whales in the world.
But out of these 13 species of whales, 7 of the species of whales are at the brink of extinction. These 7 species of the near to extinction whales are the North Atlantic right whale, Gray whale, Bowhead whale, Fin whale, Sei whale, Humpback whale and the Blue whale.