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Topic: Extinct

	Extinct Animal
		Learn about prehistoric and recently extinct species of
		about the recently extinct Thylacine and the not so extinct
		Send mail to webmaster@extinctanimal.com with questions or comments about this web site.
	www.extinctanimal.com (58 words)

	Extinction - Wikipedia, the free encyclopedia
		Many of prehistoric extinct species have evolved into new species; for example the extinct Hyracotherium (an ancient horse-like animal) was the ancestor of several extant species including the horse, the zebra and the donkey.
		A species may become functionally extinct when only a handful of individuals survive, which are unable to reproduce due to health, age, lack of both sexes (in species that reproduce sexually), or other reasons.
		According to a 1998 survey of 400 biologists conducted by New York's American Museum of Natural History, nearly 70 percent of biologists believe that we are currently in the early stages of a human-caused mass extinction, known as the Holocene extinction event.
	en.wikipedia.org /wiki/Extinction (2295 words)

	Recently Extinct Birds
		There is little we can do about those species which are already gone but by practising a philosophy of personal awareness combined with an abhorrence for the manifestations of greed and ignorance we can perhaps play a part in slowing down the destruction of this precious diversity of beauty and life.
		Ula-Ai-Hawane Aridops anna Extinct, an endemic to the island of Hawaii, the last specimen was caught on 20 February 1892 on Mount Kohala.
		Extinct, another endemic to Hawaii, the last specimen was seen in October 1891.
	www.earthlife.net /birds/extinction.html (2460 words)

	Extinct Birds of New Zealand
		When a species is extinct, it means that there are no more of the species alive anywhere in the world.
		Some species may be ‘extinct in the wild’ which means that the only ones alive are kept by people, probably in a zoo.
		The takahe was thought to be extinct as it had not been seen for 50 years, but Geoffrey Orbell rediscovered the takahe living in a remote Fiordland valley in 1948.
	www.kcc.org.nz /birds/extinct.asp (1256 words)

	Recently Extinct Animals - Cloning
		Many animals went extinct due to loss of their natural habitat, so if no suitable habitat will be available the resurrected species would be condemned to life in zoos.
		Another main concern about cloning extinct animals is that cloning might lead people to think of extinction as a temporary state.
		Although this is obviously a publicity exercise by the company to clone the first extinct animal, the project could be of useful conservation value if only multiple goats could be cloned to form a viable gene pool.
	www.petermaas.nl /extinct/cloning.htm (2683 words)

	Cloning Extinct Animals
		The blockbuster hit Jurassic Park, based on the Michael Crichton novel of the same name, introduced the theory that by using genetic material from extinct animals combined with that of amphibians (the only species of vertebrates able to regenerate lost limbs), scientists would be able to bring dinosaurs back to life.
		While the egg was accepted by Bessie the cow's immune system, the Gaur calf suffered the same fate as all of the other cloned animals, and it succumbed to illness shortly after being born.
		If implanting eggs which were taken from a host animal with the DNA of another animal for the purpose of its acceptance by the host body's immune system produces similar results every time, maybe the implanted embryo's immune system fails to develop as that of a normal fetus.
	www.extinctanimal.com /cloning.htm (439 words)

	Extinct Animal Coloring pages: EnchantedLearning.com
		An extinct, sail-backed, meat-eating animal from the Permian period (pre-dating the dinosaurs).
		The dodo is an extinct, flightless bird that lived on an island in the Indian Ocean near Africa.
		Macrauchenia was a camel-like mammal from the Pleistocene period - it is extinct.
	www.zoomwhales.com /coloring/extinct.shtml (831 words)

	Recently Extinct Animals - Index UK
		Recently Extinct Animals - Index UK Extinction is a natural feature of evolution because for some species to succeed, others must fail.
		Extinct Animals is a list that is dedicated to the discussion of all topics pertaining to extinct animals.
		Animals that became extinct in the past and present millennia.
	www.petermaas.nl /extinct/indexuk.htm (497 words)

	When Do They Call an Animal Extinct? - They used to wait 50 years. By Daniel Engber (Site not responding. Last check: )
		The U.S. Fish and Wildlife Service and the World Conservation Union—which keep track of endangered and extinct species in America and around the world—said the birds were critically endangered, but neither labeled them with the other E-word.
		The Fernandina rice rat and the Vietnamese warty pig, for example, were both declared extinct by the World Conservation Union in 1996.
		And one of the most famous species rediscoveries took place in 1938, with the identification of the coelacanth—a giant, prehistoric fish presumed to have been extinct for 65 million years.
	slate.msn.com /id/2117899/nav/ais/nav/ais (701 words)

	Extinct
		Readers of Extinct will notice that a quote on the novel's back cover is from Dr. Dean A. Dunn, a notable marine scientist with doctorates in both Oceanography and Paleontology, and a former shipboard scientist for Glomar Challenger expeditions in the western North Atlantic and the Pacific.
		In the particular part of the Pacific where the megalodon tooth was found, the sediment is laid down at a rate of approximately four inches per hundred years.
		Even given the shorter period of time, the sediment should have built at such a rate as to have buried the tooth hundreds of feet under the ocean floor--not lying exposed on it or only a few inches under the sand for a dredge to scoop up.
	www.bookpage.com /9705bp/sponsor/extinctindex.html (1097 words)

	Amazon.com: Books: Extinct Birds (Site not responding. Last check: )
		It may be that some of these birds are not extinct, only hiding (Fuller shows this has happened before), but most of the birds here are certainly as dead as dodoes.
		Although there are some fairly unexceptional exceptions among the ranks of the extinct, not a few of the world's most memorable birds are now among the lost.
		That works out to 2000 extinct species but we know that the correct figure is 85, so it simply means that for many years there were no extinctions.
	www.amazon.com /exec/obidos/tg/detail/-/080143954X?v=glance (2337 words)

	New Scientist Breaking News - Earth faces sixth mass extinction
		The Earth may be on the brink of a sixth mass extinction on a par with the five others that have punctuated its history, suggests the strongest evidence yet.
		Butterflies in Britain are going extinct at an even greater rate than birds, according to the most comprehensive study ever of butterflies, birds, and plants.
		Two butterfly species (3.4 percent of total) became extinct, compared to six (0.4 percent) of the plant species surveyed.
	www.newscientist.com /article.ns?id=dn4797 (692 words)

	Cloning Extinct Animals I
		This is not to discourage you in thinking that we will never be able to clone recently extinct animals such as mammoths, but we still need to do plenty of research and develop new techniques before we are likely to be successful.
		If scientists are able to clone an extinct animal using frozen sperm, this may open the door to other cloning techniques.
		It might be possible to extract somatic cells (non-reproductive body cells) from these preserved skins, re-hydrate them, and use the recovered DNA to replace the nuclear DNA (the DNA found in the nucleus of the cell) in an egg of an extant (still living) relative.
	www.suite101.com /article.cfm/paleontology/69777 (759 words)

	Scientific American: When Extinct Isn't
		At least 24 species of other presumed or possibly extinct plants, insects and other organisms have been found during natural heritage surveys in North America since 1974, according to Mark Schaefer, president of NatureServe, a nonprofit conservation group based in Arlington, Va. There are examples from elsewhere as well.
		With so many "extinct" creatures reappearing, it is reasonable to wonder if the word has lost its meaning--something Ross MacPhee, curator of mammalogy at the American Museum of Natural History, has been outspoken about.
		"The word 'extinct' is an absolute term, like pregnant or dead," Fitzpatrick remarks, "so we need to describe the probability of that being true." In cases such as the passenger pigeon, which has not been seen by anybody for nearly a century, "we treat it as formally extinct," he notes.
	www.sciam.com /print_version.cfm?articleID=00025B72-053B-12D8-BDFD83414B7F0000 (631 words)

	Zento Magazine :: Adventure :: An Extinct Plant Reappears (Site not responding. Last check: )
		A piece of native forest, where Hawaiian plants, birds, insects and animals are being destroyed, has found hope and sanctuary through the re-emergence of a little known plant Hawaiians call haha.
		Last seen in 1920 in West Maui, the haha was thought to be extinct for over 80 years.
		Insects that pollinate the plants are also going extinct as rats, alien ants and wasps also hurt native plant and insect populations.
	www.zentomag.com /adventure/The_Eco_of_Laughter (829 words)

	EXTINCT - Definition (Site not responding. Last check: )
		Extinguished; put out; quenched; as, a fire, a light, or a lamp, is extinct; an extinct volcano.
		Light, the prime work of God, to me is extinct.
		Without a survivor; without force; dead; as, a family becomes extinct; an extinct feud or law.
	www.hyperdictionary.com /dictionary/extinct (101 words)

	CNN.com - Wildlife park to add mammoth attraction - August 21, 2002
		The Times of London reports that Japanese scientists are planning to use tissue from the legs and testicles of a dead mammoth to clone the extinct creature and display it at an Ice Age wildlife park in Siberia.
		Mammoths became extinct about 10,000 years ago, but using a technique that involves impregnating an Indian elephant -- its closest genetic relative -- with mammoth sperm and then repeating the procedure with its offspring could produce a creature that is 88 percent mammoth in 50 years, the report said.
		An alternative technique would involve cloning the mammoth from DNA found in the soft tissue, but although methods of extraction have improved, complete strands of DNA from mammoths are still hard to come by.
	archives.cnn.com /2002/TECH/08/21/clone.mammoth (423 words)

	When did dodos really go extinct? (Site not responding. Last check: )
		Solow and David Roberts, conservation biologist at Britain’s Royal Botanic Gardens near London, used data on the last 10 recorded sightings to date the demise of the birds, driven to extinction by the destruction of their forest habitat and the arrival of hungry sailors and animal predators.
		Knowing the time of extinction of a species is important for understanding why an animal became extinct and for the conservation of modern species.
		The scientists chose the dodo because its disappearance is the cause of its fame.
	www.msnbc.com /news/995703.asp (425 words)

	Extinct Birds
		One of the most noted of extinct animals, passenger pigeons were reduced from numbers in the hundreds of millions for food.
		A recently extinct species, Bachman's Warblers nested in the underbrush of forested swamps in the region bounded by Louisiana up to Kentucky and Maryland, and over to the Carolinas and Georgia, migrating to Cuba in winters.
		Shorebirds that breed in a limited number of colonies at only certain locations are highly susceptible to concentrated stresses and the Great Auk was extinct by mid Nineteenth Century.
	www.50birds.com /GExtinct.htm (253 words)

	How did the dinosaurs become extinct - extinction of the dinosaurs (Site not responding. Last check: )
		The dinosaurs would not be able live under such conditions and that is how the dinosaurs became extinct.
		Still yet another theory is that the Earth just gradually changed in climate over a long time period and the dinosaurs were not able to adapt to the cooler, dryer climate.
		There are probably other theories as to how the dinosaurs became extinct.
	www.infowest.com /life/dinosaurs/extinct.htm (517 words)

	CNN.com - Cloning to revive extinct species - May 28, 2002
		Archer said some scientists believed the first cloned tiger pup could be born within a decade, but timing was difficult to predict because of the unknowns ahead in such a project.
		No other long extinct species has ever been cloned, although unsuccessful attempts have been made to extract DNA from a frozen mammoth.
		The museum is currently working on viable DNA from three Thylacines -- two females and a male -- and hopes to get access to more DNA to enable it to develop sufficient genetic variation.
	archives.cnn.com /2002/WORLD/asiapcf/auspac/05/28/aust.thylacines (460 words)

	CBC News: Extinct plants, animals threaten loss of thousands more (Site not responding. Last check: )
		The addition of "affiliated species" means the biodiversity crisis is worse than thought, according to conservationists who added up the expected co-extinctions.
		Researchers in Singapore, the United States and Canada used an international list of 12,200 plants and animals that are considered threatened or endangered as their starting point.
		Many of the species facing co-extinction are mites, beetles and parasites, although Proctor noted 56 species of butterflies have already been lost because their host plants went extinct.
	www.cbc.ca /story/science/national/2004/09/10/extinct040910.html (492 words)

	One million species extinct by 2050: scientists - www.theage.com.au
		Their alarming findings, published in the scientific journal Nature today, show more than a million existing species could be extinct by 2050 as human-induced climate change heats up the earth.
		Chris Thomas, the study's lead author and professor of conservation biology at England's University of Leeds, has called for urgent government action on greenhouse gases to reduce the number of predicted extinctions.
		The scientists studied 24 of Australia's 200 endemic butterflies and found that by 2050 all but three would be extinct in their current range.
	www.theage.com.au /articles/2004/01/07/1073437346256.html (666 words)

	Pleistocene Megafauna - Bagheera (Site not responding. Last check: )
		An extraordinary number of mammals became extinct in North America during what is called the late Pleistocene era, which includes the time before, during, and immediately after the last ice age.
		Other species that became extinct have not been found in contexts that indicate they were hunted by humans.
		Finally, two often overlooked, but critical pieces of evidence against the overkill hypothesis, are that numerous unhunted bird species also became extinct during this time period.
	www.bagheera.com /inthewild/ext_woollym.htm (780 words)

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