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Whales Breeds

Whales Breeds
Whales are large, magnificent, intelligent, aquatic mammals. They breathe air through blowhole(s) into lungs (unlike fish who breathe using gills). Whales have sleek, streamlined bodies that move easily through the water. They are the only mammals, other than manatees (seacows), that live their entire lives in the water, and the only mammals that have adapted to life in the open oceans. The biggest whale is the blue whale, which grows to be about 94 feet (29 m) long - the height of a 9-story building. These enormous animals eat about 4 tons of tiny krill each day, obtained by filter feeding through baleen. Adult blue whales have no predators except man. The smallest whale is the dwarf sperm whale which as an adult is only 8.5 feet (2.6 m) long.




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Narwhal
The Narwhal (Monodon monoceros) is an Arctic species of cetacean. It is a creature rarely found south of latitude 70N. It is one of two species of white whale in the Monodontidae family (the other is the beluga whale). It is possibly also related to the Irrawaddy dolphin. The English name narwhal is derived from the Dutch name narwal which in turn comes from the Danish narhval which is based on the Old Norse word nar, meaning "corpse." This is a reference to the animal's colour. The narwhal is also commonly known as the Moon Whale. In some parts of the world, the Narwhal is colloq...
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Northern Right Whale (Eubalaena glacialis)
Order: Cetacea, Family: Balaenidae
A large, blackish whale with the following features: no dorsal fin; head huge, about one-fourth of total length; baleen (whalebone) about 2 m long, 30 cm wide, and between 200 and 250 in number on each side of mouth; closure of mouth highly arched; no furrows on the throat; prominent, large, wartlike areas (called bonnets), the one near tip of snout largest. Total length of adults, 14-17 m; weight, 20-30 metric tons.
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Minke Whale (Balaenoptera acutorostrata)
Order: Cetacea, Family: Balaenopteridae
Smallest of the baleen whales in the Gulf of Mexico, adult minkes only reach up to 10.2 m in length and 10 metric tons in weight. As with all baleen whales, females are slightly larger than males of comparable age. Minke whales have a very narrow and pointed rostrum and a broad white band on the dorsal surface of the flippers. Coloration is dark gray to black above and white below. The baleen plates are yellowish-white, or cream, colored. The dorsal fin, located in the latter third of the back, is tall and falcate and the throat grooves end just beyond the flippers.
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Killer Whale (Orcinus orca)
Order: Cetacea, Family: Delphinidae
The killer whale is actually the largest living species of dolphin, and not a true whale. Males can measure 32 feet long, with a 6-foot tall dorsal fin, and weigh 10 tons. Females can grow up to 28 feet in length, with a 3-foot tall dorsal fin, and weigh up to 6 tons. The killer whale has a black body with a white belly, and a white patch on its chin and by its eye. It also has a gray or white saddle behind its dorsal fin.
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Northern Right Whale (Eubalaena glacialis Borowski)
Order: Cetacea, Family: Balaenidae
Right whales are primarily solitary animals, although sometimes they are found in pairs. The growths, or callosities, on their head are distinctive enough to identify individuals. They move slowly through the water with their mouth partially agape, straining plankton with their baleen plates. Only about three hundred to six hundred of them still exist because of overhunting for centuries for their oil, meat, and baleen (whalebone). Their common name stems from their being the "right" whale to hunt: They were among the most valuable of whales; they swim slowly, close to shore; and...
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Blue Whale (Balaenoptera musculus)
The biggest animal in the world
Blue whales are the biggest animals in the world, and the females are larger than the males. The longest female on record measured 110 feet (34 m); the heaviest weighed 190 tons. All three subspecies travel in pods composed of thirty to fifty individuals. These whales, as with other members of the family Balaenopteridae, filter some six to seven tons of krill at a time with their baleen plates, "gulping" water and krill, then closing the mouth and forcing the water back out through the baleen. Blue whales were too big and too fast for whalers before the 1864 invention of the exploding-he...
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Beluga Whale (Delphinapterus leucas)
Order: Cetacea, Family: Monodontidae
Arctic Ocean: An exclusively northern hemisphere species, the beluga range is primarily the Arctic ocean and some adjoining seas. Belugas are a white-colored whale with a fusiform body shape and a large melon on the head. This melon is thought by some to focus echolocation tones, although this is in question. The melon can also be used as an indicator of health (poorly nourished belugas have low flat melons while well fed individuals have round melons) and of emotional state agressive individuals raise their melons forward. The tail is strongly forked. There are no dorsal fins. Thirty-eight...
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Great Sperm Whale (Physeter catodon)
Great sperm whales are the biggest of all toothed whales, the males usually much larger than the females. They travel in pods of up to fifty, composed of one or two males and a harem. Their common name is derived from a structure in their head known as the spermaceti organ, which is filled with a liquid waxy substance often referred to as sperm oil. It is thought that this structure helps control buoyancy during dives recorded to depths of sixty-five hundred feet (2,000 m), but typically less than half this. When they dive, they use sonar to search for squid, their primary food source...
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