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Topic: Amazon River Dolphin

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	riverdolphins
		River dolphins live in ancient and major waterways that gave that species plenty of time and opportunity to evolve within their limited areas almost making it imperative to learn the history of a river system in order to study the species.
		It is the largest of the river dolphins reaching a maximum length of 8ft 4in and 353 pounds in males and 6ft 3in and 213 pounds in females (May 1990).
		The epthalmic rete is responsible for stabilizing the temperature of the retina and optic nerve in deep-diving mammals.
	kingfish.coastal.edu /marine/375/riverdolphins.html (2065 words)

	Boto (Amazon River Dolphin) \| Cetacean Fact Sheet \| American Cetacean Society
		The Amazon River Dolphin, also called the boutu, boto, or bufeo, is the largest of the freshwater dolphins, and like all freshwater dolphins it is endangered because of hunting, human pressures, and degradation of habitat.
		The Amazon River dolphin, or boutu, is a fresh water dolphin of medium size, with a heavy, thickset body.
		The boutu is found everywhere in northern and central South America from the Amazon River delta to the Andes.
	www.acsonline.org /factpack/Boto.htm (834 words)

	Pink Amazonian River Dolphin
		Of the five freshwater species of dolphins in the world, the pink Amazon River dolphin, Inia geoffrensis, or "bufeo colorado” as they are known in Peru and “botos" as they known in in Brazil, are considered to be the most intelligent.
		What was considered to be one of the least threatened species of dolphins 20 years ago, has now become one of the most endangered species due to the accelerated and commercialized rape of the Amazon basin and the destruction of the South American tropical rainforest.
		ISPTR believes that her work with the Peruvian Forest Police to protection both species of river dolphins, and empowering the local peoples of their rights and use of the law, there has been less illegal commercial fishing and logging in the area, thus saving the natural habitat of the land and aquatic life.
	www.isptr-pard.org /dolphin.html (1129 words)

	river_dolphins
		The large rivers they inhabit have been degraded and fragmented, and river dolphin populations have plummeted as a result of pollution, dams and irrigation projects, overfishing, accidental takings from fisher's nets and hooks, and noise pollution caused by boat traffic (Randall et al, 1994).
		River dolphins are sometimes regarded as "living fossils" and are believed to be the descendents of marine dolphins that moved inland to live in rivers and lakes.
		The Indus river dolphin or bhulan lives in the Indus River Basin, Pakistan, and until the 1970s was believed to be the same species as the susu or Ganges river dolphin.
	www.geocities.com /darthdusan/river_dolphins.htm (4970 words)

	River Dolphins
		The topic of the Amazon River dolphins is a recently new one as seen by the dates of the research materials on the bibliography pages.
		The theory is the river dolphins give birth at the beginning of the dry season since the water level drops making the fish easier to locate.
		Trujillo, G.F. "Surface Behavior of Amazon River Dolphins Inia geoffrensis and Sotalia fluviatilis." Ninth Biennial Conference on the Biology of Marine Mammals, Dec., 5-9, Chicago, Illinois.
	lilt.ilstu.edu /psanders/litsearch/riverdolphins.htm (1738 words)

	Boto - Wikipedia, the free encyclopedia
		The Boto, Amazon River Dolphin or Pink River Dolphin[1] (Inia geoffrensis) is a freshwater or river dolphin.
		In contrast to the rapidly dwindling areas of population of the Baiji and the Ganges and Indus River Dolphin, the area populated by the Boto seems to have remained fairly steady over time.
		In a traditional Amazon River myth, at night a Boto becomes a handsome young man who seduces girls, impregnates them, then returns to the river in the morning to become a Boto again.
	en.wikipedia.org /wiki/Amazon_River_Dolphin (823 words)

	CMS: Inia geoffrensis, Amazon river dolphin, Boto, Inia
		Dolphins were seen most frequently during low and falling water (56% of total observations) and least often during high waters (22% of total observations).
		In the Orinoco and Amazon basins, the species is found in a variety of riverine habitat types, including rivers, small channels and lakes, excepting the estuaries and strong rapids and waterfalls.
		Aliaga-Rossel E (2002) Distribution and abundance of the river dolphin (Inia geoffrensis) in the Tijamuchi River, Beni, Bolivia.
	www.cms.int /reports/small_cetaceans/data/I_geoffrensis/I_geoffrensis.htm (3379 words)

	dolphins - Amazon River swicki - powered by eurekster
		The mouth of Amazon river dolphins is fairly straight with a slight upturn at the corners.
		The topic of the Amazon River dolphins is a recently new one as seen by the...
		Amazon river dolphins are sometimes a pale blue colour, sometimes pink...
	amazon-river-swicki.eurekster.com /dolphins (363 words)

	River Dolphins of No Return - National Zoo\| FONZ
		River dolphins also have small eyes, and those that live in the Indus and Ganges Rivers are essentially blind because their eyes lack lenses.
		The Yangtze River dolphin is called the baiji, which means “white dolphin.” An estimated 5,000 once lived in the middle and lower reaches of the river from its mouth at Shanghai to Three Gorges.
		Dolphin populations trapped upstream of barrages typically die out, and today only a few of the remaining populations are big enough to have a chance of surviving, with the largest estimated at 600 and the smallest at only 70.
	nationalzoo.si.edu /Publications/ZooGoer/2003/5/RiverDolphins.cfm (2825 words)

	BBC - Science & Nature - Wildfacts - Amazon river dolphin, boto, bouto, pink river dolphin
		Amazon river dolphins are sometimes a pale blue colour, sometimes pink and frequently albino.
		There are reports that Amazon river dolphins can stun prey with bursts of sound from the "melon" organ in their bulging forehead.
		Amazon river dolphins breed in late October to early November.
	www.bbc.co.uk /nature/wildfacts/factfiles/62.shtml (233 words)

	Amazon Pink River Dolphin - Pink River Dolphin
		(river dolphins), called bouto, boto or bufeos by local fishermen, swim in small groups eating a variety of fish including piranha and crabs.
		Sadly, all the river dolphins may soon be extinct due to pollution and the pressure of human hunting if great changes do not occur swiftly.
		In the Amazon, it is not uncommon for problems to occur with fishing nets where the dolphins end up drowning when caught in the nets.
	www.vanishingkingdoms.com /Dolphin.htm (202 words)

	Inia geoffrensis, Amazon River Dolphin at MarineBio.org
		An interesting characteristic of the Amazon river dolphin is the presence of stiff hairs on the beak, which are used as a sensory organ during the search for prey in muddy river bottoms.
		Another interesting characteristic is that Amazon river dolphins are able to move their neck as the neck vertebrae are not fused together as in most dolphins.
		The Amazon river dolphin, Inia geoffrensis, is found in South America from the Amazon river delta to the Andes Mountains.
	www.marinebio.com /species.asp?id=337 (1157 words)

	Animal Info - Boto (Amazon River Dolphin)
		Ganges River dolphin, and the Indus River dolphin.
		In large white water rivers, most of its activity seems to be directed swimming, as though the animals were transiting between patches of the preferred microhabitat areas.
		One unusual example of dolphins utilizing both the deeper and shallower portions of habitat was reported by Leatherwood et al.
	www.animalinfo.org /species/cetacean/iniageof.htm (2306 words)

	Dolphins -- Kids' Planet -- Defenders of Wildlife
		The Chinese River dolphin and Indus River dolphin are classified as endangered under the Endangered Species Act.
		Dolphins often hunt together, surrounding a school of fish, trapping the fish, and taking turns swimming through the school and catching fish.
		Dolphins are well known for their agility and playful behavior, making them a favorite of wildlife watchers.
	www.kidsplanet.org /factsheets/dolphins.html (332 words)

	Amazon River Dolphin (Site not responding. Last check: 2007-10-09)
		Born with dark gray pigmentation, the dolphins become more translucent with age so that blood circulating beneath their skin gives them a vivid pink appearance, especially on the ventral side.
		Living throughout the Amazon and Orinoco River basins in Brazil, Peru, Bolivia, and Venezuela, botos were historically safe from capture in much of their range because of superstitions of the native people.
		Children born with spina bifida, in which the skull fails to close, appear as if they have a blowhole and are known as "boto’s babies." Natives feared that harming a boto will cause their children to be born with this disease.
	www.tmmsn.org /mmgulf/inia_geoffrensis.html (506 words)

	Amazon River Dolphin
		All river dolphins share similar characteristics: elongated beaks, many teeth, reduced eyes, very flexible necks, large, broad flippers, well-developed sonar systems, and a total length of only five to (nine and a half) feet, but these similarities are thought to be the result of convergent evolution.
		In rivers where light penetrates better, the dolphins tend to keep their gray coloring, at least on their backs where they are exposed to the sun.
		Amazon River Dolphins are solitary creatures, usually found alone or in pairs, and are rarely seen in groups of four or more, expect occasionally in feeding areas.
	www.connectedearth.net /Yard/inia/iniadoc.html (2726 words)

	Oceanic Society - Research Expeditions: Amazon River: Dolphins
		The rivers rise and fall from local and distant rains, flooding and draining the forest and temporarily connecting oxbow lakes or “cochas” with the rivers.
		In addition to the pink river dolphins, the tucuxi dolphin is also found in large numbers in the reserve.
		The Amazon River dolphin is the largest species of freshwater dolphin in the world, reaching lengths of up to 9 feet.
	www.oceanic-society.org /pages/alltrips/rschtrip11.html (576 words)

	Dolphin Feature - The Amazon River Dolphin
		In the murky water of the Amazon and Orinoco Rivers of South America lives a mysterious, endangered creature.
		The Amazon River Dolphin, or Inia as they are referred to, differs from other species of dolphins in various ways.
		The construction of large hydroelectric dams along the rivers where the Inia live, and the deconstruction of the forests, has decreased their feeding, and breeding grounds by 45% over the last 15 years.
	www.suite101.com /article.cfm/dolphins/28124 (437 words)

	River dolphin - Wikipedia, the free encyclopedia
		River dolphins are four species of dolphin which reside in freshwater rivers and estuaries.
		However it is scientifically classed in the river dolphin family rather than the oceanic dolphin family.
		River dolphins are some of the most endangered of all the world's cetaceans.
	en.wikipedia.org /wiki/River_dolphin (303 words)

	Animal Portal - Amazon River Dolphin
		American river dolphins are the largest of the river dolphins, with males averaging 2,550mm and females 2,010mm in length.
		These river dolphins are reported to be curious and playful, and even in the wild they may be tame with humans.
		There is little direct hunting of these river dolphins, but if one is found dead its fat is used for lamp oil, and its eyes and genetalia as love charms.
	www.animalport.com /animals/Amazon-River-Dolphin.html (368 words)

	WhaleTimes:Fishin' for Facts-River Dolphins (Site not responding. Last check: 2007-10-09)
		During the rainy season the rivers overflow on to the banks, flooding in to the forest.
		The boto river dolphin can be as long as 9 feet (3m) and can weigh as much as 190 lb (95 kg).
		NOTE: The boto river dolphin population is listed as Appendix II (threatened) by Convention of International Trade in Endangered Species of Wild Fauna and Flora, 1975 CITES.
	www.whaletimes.org /wharvdl.htm (374 words)

	Natural History Magazine \| Feature
		Size matters, and the Amazon River basin is a large, watery place, covering more than 2.5 million square miles, or 30 percent of the South American continent.
		While river systems both large and small in the northeastern two-thirds of the continent appear to exemplify the tendency of low latitudes to be species rich, other South American rivers do not.
		As denizens of rivers, streams, and lakes, the largest groups of endemic, or native, freshwater fishes in South America are relatively confined.
	www.naturalhistorymag.com /0901/0901_feature.html (2658 words)

	Dolphin Fun Facts @ RainbowDolphin.com
		Dolphins have colonized all oceans and seas of the planet, from polar to tropical regions, true mammals they must get oxygen from air and not from water such as fish, their infants are born underwater and must be brought up to the surface immediately to survive.
		Pollution of rivers, seas, and oceans by man activities is also a great danger for many species of dolphins, at the end of the food chain this mammal will concentrate all the poisons and chemicals man does release in its habitat.
		Dolphin respiration is not a reflex such as with human being, it is a voluntary act.
	www.rainbowdolphin.com /dolphins/facts.shtml (2763 words)

	Pittsburgh Zoo & PPG Aquarium
		At approximately 34 years old, he held the longevity record for Amazon river dolphins in captivity in North America, having well outlived the species' life-span of 18 years in captivity.
		Aquarium keepers had been closely monitoring the dolphin for the past two weeks, when they first noticed that he was losing his appetite.
		Also known as Inia, Amazon river dolphins are found only in South America throughout the Amazon and Orinoco Rivers and their tributaries.
	zoo.pgh.pa.us /whatsNew.asp?newsID=166 (418 words)

	Amazon River Dolphin: Marine Mammals: Audio Gallery for Discovery of Sound in the Sea
		The Amazon river dolphin is entirely riverine, inhabiting river channels, tributaries and lakes.
		This dolphin inhabits the entire Amazon River and many rivers, lakes, and streams that adjoin it.
		Amazon River dolphins average 2.1-2.5 m (7-8 ft) in length and have very flexible bodies.
	www.dosits.org /gallery/marinemm/13.htm (299 words)

	Amazon river dolphin (Site not responding. Last check: 2007-10-09)
		Well known because of the Brazilian folklore, the Amazon river dolphin can be found alone or in small groups in the tributaries of Amazon and Orinoco rivers in Brazil, Colombia, Guyana, Ecuador, Peru and Bolivia.
		In Amazonas, the legend that the Amazon river dolphin turns to a handsome man to seduce local girls is still alive and it is used to explain when the child’s father is unknown.
		Besides that, the destruction of the Amazon system and the building of dams are the mainly threats to this species survival.
	www.projetoatlantis.com.br /amazonriverdolphin.htm (148 words)

	And more Amazon animals
		The pink river dolphin (Inia geoffrensis) is a common resident of the Amazon, but is difficult to photograph because of the murky water and because when it surfaces for air it only momentarily shows its blowhole.
		When the river is at flood stage, as shown here, the dolphins lead a mostly solitary existence, and gather together in small family groups of five or more during the dry season.
		This Amazon river dolphin photo, taken near the village of Puerto Bolivar on the Cuyabeno River, is unusual because most of the dolphin's body is out of the water.
	www.sederquist.com /critter2.html (371 words)

	River Dolphin?
		Rivers are often muddy making it very difficult to see.
		This lets them search for fish in between the roots of trees along the river bank and to reach fish in the mud at the bottom of the river.
		The final member of the River Dolphin family is the Franciscana.
	www.idw.org /members/html/river_dolphin_.html (346 words)

	ISPTR/PARD Tropical Rainforest - Preservation of the Amazon River Dolphin
		We represent "AMAZON VOICES and CRIES" of all inhabitants of the Tropical Rainforest.
		They also helped to protect the Pink and Gray River Dolphins from getting caught in commercial nylon fishing nets that were illegally strung from one side of the river to the other, by confiscating them with the Peruvian Environmental Forest Police.
		We need your support for the protection and preservation of the largest rainforest in the world, the Amazon Basin, by preserving it inhabitants: the people, pink and gray river dolphins, manatees, river otters, primates, birds, millions of insects, thousands of plants, etc.
	www.isptr-pard.org (675 words)

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