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Topic: Toothed Whale

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	Mercury in packaged whale meat across Japan may be a major health problem
		Toothed whales, or odontocetes, are not covered under the moratorium.
		Whale meat is not sold for human consumption in the United States.
		Mercury levels in most of the toothed whale samples from the current study are higher than levels in pilot whales from the Faroe Islands, according to the researchers.
	www.eurekalert.org /pub_releases/2003-05/acs-mip051903.php (813 words)

	Whale - MSN Encarta
		Whales have a fishlike body; however, their tail fins, called flukes, are horizontal rather than vertical, and they have paddlelike front limbs, called flippers.
		Some whales, including the blue, fin, humpback, and gray, undertake some of the longest migrations in the animal kingdom, traveling between the tropics in winter and subpolar waters in summer.
		Whales have a streamlined, rounded body tapering in the rear to a pair of broad horizontal tail flukes that provide the main propulsive thrust for swimming.
	encarta.msn.com /encyclopedia_761565254/Whale.html (792 words)

	Reference.com/Encyclopedia/Toothed whale
		Toothed whales are active hunters, feeding on fish, squid, and in some cases marine mammals.
		Toothed whales have a single blowhole on the top of the head (while the baleen whales possess two of them).
		Toothed whales' brains have a poor connection between the two hemispheres and an organ called a melon on their heads is used as a lens to focus sound waves.
	www.reference.com /browse/wiki/Toothed_whales (526 words)

	How Whales Hear
		Baleen whales are filter-feeders that live on zooplanktons and include the blue whale, the humpback whale, the Gray whale and the bowhead whale.
		This suggests that, although echolocation may have originated with the early toothed whales, it was not nearly as advanced or sophisticated as it is in modern toothed whales.
		In light of what we have learned from the ear structures of fossil whales thus far, it is likely that the divergence of ultrasonic echolocation of toothed whales and the infrasonic hearing and communication of baleen whales occurred after the toothed and baleen whales split from each other in their evolution.
	www.carnegiemuseums.org /cmag/bk_issue/1997/julaug/feat4.htm (950 words)

	Whale Classification of Whales Baleen Whales Toothed Whales
		Whale Classification of Whales Baleen Whales Toothed Whales
		Baleen whales, some of which are the largest animals to have ever lived on earth, eat some of the smallest, most abundant life in the oceans: plankton.
		Toothed whales, including all dolphins and porpoises, have teeth, only one blowhole (baleen whales have two) and are generally smaller than most baleen whales.
	www.whaleroute.com /class/index.htm (354 words)

	The Marine Mammal Center
		Toothed whales are different from baleen whales in several ways.
		Most toothed whales are smaller than baleen whales, but range in size from the 5-foot vaquita (a type of porpoise) to the 60-foot sperm whale.
		Orcas or killer whales live in groups or pods, and some pods have a dialect or accent, just like we have accents depending upon which part of the world we are from.
	www.tmmc.org /learning/education/whales/ondont.asp (428 words)

	Toothed whale - Biocrawler (Site not responding. Last check: )
		Toothed whales are active hunters, feeding on fish, squid, and in some cases marine mammals.
		Except for the sperm whale, most toothed whales are smaller than the baleen whales.
		Toothed whales are capable of complex interactions, e.g.
	www.biocrawler.com /encyclopedia/Toothed_whale (391 words)

	Ojai Valley Whale Society
		Whales and the Natives - cultural wealth of this valley (A feature on the Chumash Indians and the significance of whales in their culture).
		The toothed baleen whale was thought to be extinct in the Oligocene Epoch (38,000,000 to 23,000,000 years ago) and believed to be living in the Miocene Epoch, the time period that came after the Oligocene period (23,000,000 to 5 million years ago).
		The paleontological significances of this are twofold: (1) These are the first toothed baleen whales ever discovered in California; and (2) One of the teeth found from these whales differs from teeth of other prehistoric baleen whales of the same era.
	www.ojaivalleywhalesociety.org /index.htm (493 words)

	Sperm Whale Resources
		The largest of the toothed whales, the sperm whale has a huge head, as great as one-third of its total body length, and a disproportionately small lower jaw, set well back from the snout.
		The Sperm Whale is the largest of all the toothed whales, with an enormous head almost 35% of it's total body length.
		The sperm whale is the largest of toothed whales, with an especially huge head, and the largest animal considered a predator.
	www.stemnet.nf.ca /CITE/whalesperm.htm (684 words)

	[No title]
		For toothed whales that commonly hunt for food in the dark depths of the ocean, hearing is often enhanced by echolocation, in which the animals emit clicking sounds that bounce off objects.
		Baleen whales can hold their breath up to 50 minutes when diving, and of the toothed whales, sperm whales can hold their breath up to 80 minutes.
		The Mysticeti or "baleen or whalebone whales", often called "moustached", are named after their feeding apparatus; a series of transverse plates of comb-like baleen (made of similar material to that of the human fingernail) which descend from the roof of the mouth and serve to strain plankton and small fish.
	www.lycos.com /info/whales-ecotourism--toothed-whales.html (621 words)

	WWF - Whale
		Toothed whales, dolphins and porpoises are a diverse group which is made up of more than 70 species and includes sperm whales and killer whales.
		Toothed whales are smaller but vary in size, from 1.5m Hector’s dolphins to the 18m sperm whale that weighs almost 60 tonnes and is the world’s largest carnivore.
		Whales only have one baby at a time and the baby is born tail first and is fully developed.
	www.panda.org /news_facts/education/middle_school/species/omnivores/whale_intro/index.cfm (789 words)

	Sperm Whale Resources
		The largest of the toothed whales, the sperm whale has a huge head, as great as one-third of its total body length, and a disproportionately small lower jaw, set well back from the snout.
		The Sperm Whale is the largest of all the toothed whales, with an enormous head almost 35% of it's total body length.
		The sperm whale is the largest of toothed whales, with an especially huge head, and the largest animal considered a predator.
	www.cdli.ca /CITE/whalesperm.htm (684 words)

	WhaleTimes:Colossal Dictionary
		Whales are marine mammals that spend their entire lives in the water - usually in the ocean, but some live in freshwater rivers.
		Whale calves are born in the water and may be born head or tail first.
		Whales do not have a language, but may use vocalizations to communicate things like who they are, where they are, pod identification, or advertise for mates.
	www.whaletimes.org /whadict.htm (4355 words)

	Whales and Dolphins
		Whales like to feed in the cold oceans where there is an abundance of their favorite food.
		The sperm whale was seriously hunted, but most toothed whale populations were not as devastated by whalers as the baleen whale populations.
		Whale populations that produce so few young in a season can be quickly brought to the brink of extinction by heavy hunting pressure.
	www.graysreef.nos.noaa.gov /tw/whales.html (1530 words)

	Whale (Site not responding. Last check: )
		Whales are mammals that live their entire lives in the water.
		Baleen whales and toothed whales are two kinds of whales.
		Whales are thought to be talking to each other when they wiggle or slap the water with their tail flukes or flippers.
	www.calstatela.edu /faculty/eviau/edit557/oceans/norma/owhale.htm (310 words)

	Toothed Whales (Site not responding. Last check: )
		Toothed whales are usually smaller than the baleen whales.
		Toothed whales range in color from the pure white Beluga to the fl Pilot Whale.
		A sperm whale has 18-25 pairs of teeth in the lower jaw only (there are empty sockets in the uppper jaw for the teeth to fit into).
	www.holton.k12.ks.us /gradeschool/Whales/toothed_whales.htm (125 words)

	Factsheets - Strap-toothed Whale
		Strap-toothed Whales have been observed singly, in female and calf pairs, and in groups of up to three individuals.
		While cranial anatomy and tooth morphology are useful, the distinguishing features may apply only to adults.
		The Strap-toothed Whale feeds primarily on squid, deep-sea fish, crustaceans and possibly echinoderms (sea urchins and starfish) found on the sea floor.
	www.austmus.gov.au /factsheets/strap_toothed.htm (678 words)

	Toothed Whales (Site not responding. Last check: )
		Toothed whales are usually smaller than the baleen whales.
		Toothed whale range in color from the pure white Beluga to the fl Pilot Whale.
		A sperm whale has 18-25 pairs of teeth in the lower jaw only (there are empty sockets in the uppper jaw for the teeth to fit into).
	projects.edtech.sandi.net /brooklyn/whales/generalinfo/toothedwhales.htm (189 words)

	Whales
		Whales are mammals that live in the ocean.
		Whales can be grouped into those that have teeth and a single blowhole, and those that have two blowholes.
		Baleen whales usually do not go as deep as toothed whales because their food is near the surface.
	teacher.scholastic.com /lessonrepro/lessonplans/profbooks/whales.htm (737 words)

	Sunlit Ocean (Euphotic) Zone - EnchantedLearning.com
		The gray whale is baleen whale that is a bottom feeder; it migrates very long distances each year.
		A long-flippered baleen whale that sings and frolics in the water.
		The Knobbed Whelk is a marine invertebrate with a spiral shell.
	www.zoomdinosaurs.com /biomes/ocean/sunlit (1873 words)

	Factsheets - Ginkgo-toothed Beaked Whale
		The dorsal fin is small, often hooked, and positioned two-thirds of the distance from the beak to the tail.
		This species may be confused with Andrews' Beaked Whale, but the beak is longer and the exposed portion of the teeth is much smaller.
		Ginkgo-toothed Beaked Whales occur over a broad latitudinal range in the deep waters of the tropical Pacific and Indian Oceans.
	www.amonline.net.au /factsheets/ginkgo_toothed.htm (652 words)

	Toothed Whales
		Most toothed whales are dolphins and porpoises, but there are a few large toothed whales such as Orca, or killer whale, and the sperm whale.
		Toothed whales are believed to be among the most intelligent animals on earth.
		Orca whales, are the most effective predators in the ocean, eating fish, seabirds, and marine mammals such as seals or other whales.
	www.kidcyber.com.au /topics/whaletooth.htm (468 words)

	Mty Bay beaked whales
		All are toothed whales that feed to some extent on squid; the Sperm Whale specializes in giant squid.
		Their giant head is filled with spermaceti, a reservoir of high-quality oil-like wax for which the whales were relentlessly hunted for "whale oil." There is only a rude ill-formed lump for a dorsal fin and the skin is textured with wrinkles and ridges.
		Body color can range from tan to reddish is young whales, changing to dark gray as they mature (but often with many scratches on their bodies), and old whales are either dark with whitish heads (females) or whitish all over (males).
	www.montereybay.com /creagrus/MtyBaybeaked.html (1515 words)

	Toothed whale depredation mitigation (Site not responding. Last check: )
		Stealing of tuna from Coral Sea longline gear by toothed whales has been estimated to be causing up to $4 million dollars annually in lost fisheries revenue to Australia and Queensland.
		The effect of consumption of large quantities of tuna with up to four times the normal fat levels of squid and different parasite loads on the health of individual toothed whales, and the dynamics of the Coral Sea populations, are unknown.
		Before the depredation mitigation methods can be effectively assessed, three-dimensional acoustic tracking systems of toothed whale vocalisations require development to monitor the behaviour of toothed whales around fishing gear, with or without depredation mitigation devices.
	www2.dpi.qld.gov.au /far/15073.html (401 words)

	Project Immersion: Ondotocetes (Toothed Whales)
		There are 65 species of toothed whales, which include all dolphins and porpoises, the killer whale, the sperm whale, the beluga (or white whale), and several other species.
		Toothed whales eat mostly fish and squid, but killer whales can also eat seals and other marine mammals.
		Toothed whale pods are also more stable than baleen whale groups.
	www.whalecenter.org /curriculum/piodonto.htm (293 words)

	Dolphins and Whales I Pictures and Information about Marine Mammals
		Whales are large, aquatic mammals that breathe air through either one or two blowholes into their lungs.
		Toothed whales such as Killer Whales, Sperm Whales, and Beluga Whales prey on fish, squid, or marine mammals using echolocation.
		Belonging to the odontoceti or toothed whale cetacea, and family Delphinidae, the largest family of the cetacean order, there are 26 living species of dolphins.
	www.whale-images.com (554 words)

	Whale Watching in Europe Whale Watching from the Land
		Anybody whale watching in Europe should ensure at all times that any operators they take tours with comply with a minimum set of guidelines and should be outspoken if they feel that any tour boat skipper fails to meet the spirit of these guidelines and harasses the animals in any way.
		Such is the proliferation of whale and dolphin watching activities around the globe that they are viewed from the land, sea and air with a number of operators specializing in tours for visitors on a range of budgets.
		Whale Watch West Cork have a database on a selection of the best places to view whales and dolphins around the world and are happy to answer any enquiries regarding places to go, equipment needed and times of the year to view.
	whalewatchwestcork.com /whale-watching.html (757 words)

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