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Topic: La Plata Dolphin

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	Dolphin - LoveToKnow 1911
		The dolphins, bottle-noses, or, as they are more commonly called, "porpoises," are found in abundance in all seas, while some species are inhabitants of large rivers, as the Amazon.
		Her milk is abundant and rich, and during the operation of suckling, the mother floats in a slightly sidelong position, so as to allow of the necessary respiration in herself and her young.
		The dolphin was formerly supposed to be a fish, and allowed to be eaten by Roman Catholics when the use of flesh was prohibited, and it seems to have been esteemed as a delicacy by the French.
	www.1911encyclopedia.org /Dolphin (648 words)

	Dolphin (aquatic mammal) - Search View - MSN Encarta
		A dolphin was on the coat of arms of the dauphin, the title given the eldest son and heir of the king of France.
		Dolphins range in size from the small tucuxi dolphin, which grows to about 1.2 m (4 ft) in length and weighs about 50 kg (110 lb), to the killer whale, which can grow to 9.8 m (32 ft) in length and weigh over 5,500 kg (12,100 lb).
		Dolphins are commonly fl, brown, or gray in color and are often marked with patterns of white or light colors.
	encarta.msn.com /text_761552786__1/Dolphin_(aquatic_mammal).html (4227 words)

	Dolphin News/Dolphin Facts/Dolphin Figurines
		Dolphins are considered to be amongst the most intelligent of animals and their often friendly appearance and seemingly playful attitude have made them popular in human culture.
		Dolphin behavior s breaching]] Dolphins are often regarded as one of Earth's most intelligent species, though it is hard to say just how intelligent dolphins are as straightforward comparisons of species' relative intelligence are complicated by differences in sensory apparatus, response modes, and nature of cognition.
		Dolphins will also kill porpoises for reasons which are not fully understood, as porpoises generally do not share the same fish diet as dolphins and are therefore not competitors for food supplies.
	vjegifts.com /index.cfm/DOLPHIN_NEWS (2905 words)

	BBC - Science & Nature - Wildfacts - La Plata dolphin, Franciscana
		La Plata dolphins are greyish brown with a small head, rounded dorsal fin and forehead, and a very long slender snout.
		La Plata dolphins are found in the La Plata delta and along the east coast of South America.
		La Plata dolphins are classified as Data Deficient by the 2000 IUCN Red List, but numbers are being depleted due to individuals becoming entangled in fishing nets.
	www.bbc.co.uk /nature/wildfacts/factfiles/65.shtml (150 words)

	AquaNetwork Marine Mammal Project: River Dolphins
		The La Plata Dolphin is found in coastal Atlantic waters of southeastern South America.
		La Plata Dolphins are bottom feeders and they eat at least 24 different species of fish.
		River dolphins are some of the most endangered of all the world's cetaceans; due to habitat loss, hunting by humans, and naturally low numbers.
	www.aquaticmammals.org /dolphins/index.html (615 words)

	dolphin
		The name ‘dolphin’ is generally applied to species having a beaklike snout and slender body, whereas the name ‘porpoise’ is reserved for the smaller species with a blunt snout and stocky body.
		The two South American species are the Amazon river dolphin or boto Inia geoffrensis, the largest river dolphin (length 2.7 m/8.9 ft, weight 180 kg/396 lb) and the La Plata river dolphin Pontoporia blainvillei (length 1.8 m/5.9 ft, weight 50 kg/110 lb).
		The species most frequently seen is the bottle-nosed dolphin Tursiops truncatus, found in all warm seas, mainly grey in colour and growing to a maximum 4.2 m/14 ft. The US Navy began training dolphins for military purposes in 1962, and in 1987 six dolphins were sent to detect mines in the Gulf.
	www.tiscali.co.uk /reference/encyclopaedia/hutchinson/m0007583.html (637 words)

	riverdolphins
		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 last of the species of river dolphins, the La Plata river dolphin is not a "true river dolphin", but is related so closely to and similar in appearance to the river dolphins that they are placed in the river dolphin family (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)

	General Information (Site not responding. Last check: 2007-10-10)
		The average life span of a dolphin in the wild is 45 years; yet half of all captured dolphins die within their first two years of captivity.
		Dolphins are predators of fish and spend up to half of their time in the wild hunting for food.
		Dolphins in captivity tend to develop stereotypical behaviors (swimming in repetitive circle pattern, with eyes closed and in silence) because of boredom and confinement.
	www.captivitystinks.org /info.html (1223 words)

	Dolphin
		Dolphins are certain aquatic mammals related to whales and porpoises.
		Dolphins, along with whales and porpoises, are descendants of land-living mammals, most likely of the Artiodactyl order.
		The dolphin brain is large and has a highly structured cortex, which often is referred to in discussions about their high intelligence.
	dolphinpoolcleaner.com (949 words)

	Dolphin Summary
		Dolphins are distinguished from their close relatives, the porpoises, by the presence of a beak.
		Dolphins are widely believed to be amongst the most intelligent of all animals, though it is hard to say just how intelligent dolphins are as straightforward comparisons of species' relative intelligence are complicated by differences in sensory apparatus, response modes, and nature of cognition.
		Most dolphins have acute eyesight, both in and out of the water, and their sense of hearing is superior to that of humans.
	www.bookrags.com /Dolphin (3033 words)

	La Plata Dolphin - Wikipedia, the free encyclopedia
		The La Plata Dolphin (Pontoporia blainvillei) is found in coastal Atlantic waters of southeastern South America.
		La Plata Dolphins are bottom feeders and gut inspections have revealed they eat at least 24 different species of fish, depending on which species are most common.
		The La Plata Dolphin is found in the coastal Atlantic waters of southeastern South America, including the Río de la Plata estuary.
	en.wikipedia.org /wiki/La_Plata_Dolphin (675 words)

	endangered animals - reports
		La Plata River dolphin is found in Brazil, Uruguay, Argentina in South America.
		La Plata River Dolphin's habitat is in the ocean.
		The La Plata River Dolphin are not as playful as other dolphins and often shy away from boats.
	www.tenan.vuurwerk.nl /reports/dible/emily-dolphin.htm (200 words)

	The Whitley Fund for Nature
		The La Plata or Franciscana dolphin is among the world's smallest and most endangered dolphins, endemic to the coastal Atlantic waters off South America.
		The total population of the dolphin, its breeding, social and feeding habits, are unknown.
		In March 2004, the project began radio-satellite telemetry studies on the La Plata dolphins to understand the home range of the species and movement patterns in one of the most critical areas for the species in Argentina.
	www.whitleyaward.org /display.php?id=53 (489 words)

	Dolphins of Monkey Mia - Shark Bay (WA) Research Foundation - Questions
		Three superfamilies are referred to as "dolphins" --two superfamilies of river dolphins (Platanistoidea and "incertae sedis") which include four families and species (Susu, India river dolphin or the Ganges susu [Platanista gangetica]; La Plata dolphin [Pontoporia blainvillei]; Boto or Amazon River Dolphin [Inia geofirensis]; and Baiji or Chinese river dolphin [Lipotes vexillifer]).
		Dolphins are sexually active all year round, but have a peak breeding season in the spring/summer.
		Occasionally, large numbers of dolphins are stranded on beaches where they die from over-exposure to the sun and the weight of their internal organs on land.
	www.monkeymiadolphins.org /questions.htm (2439 words)

	FranciscanaDolphins (Site not responding. Last check: 2007-10-10)
		The dolphins in the northern reaches of their range are smaller than those in the south.
		They live in the estuary of Rio de la Plata and in the coastal waters of the Atlantic coast of South America, from Baia de Santos (Brazil) to Golfo San Matias (Argentina).
		After being classified as oceanic dolphins, they were put into the river dolphin family due to their anatomy, which is much more like river dolphins than oceanic dolphins.
	www.dolphinswrld.netfirms.com /FranciscanaDolphins.htm (428 words)

	Dolphins -- Kids' Planet -- Defenders of Wildlife (Site not responding. Last check: 2007-10-10)
		Dolphins often hunt together, surrounding a school of fish, trapping the fish, and taking turns swimming through the school and catching fish.
		Dolphins will also follow seabirds, other whales and fishing boats to feed opportunistically on the fish they scare up or discard.
		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)

	La Plata Dolphin (Pontoporia blainvillei)
		The La Plata-Dolphin is one of the smallest and least known dolphin species.
		Although it belongs to the river dolphin family the La Plata Dolphin lives in the coastal and shallow water areas along the south-east of South America.
		Despite the limited number of observations the La Plata Dolphin is usually a solitary animal, even if groups of up to 5 animals have been recorded.
	www.yaqupacha.de /enlapdol.htm (102 words)

	Pontoporia blainvillei, La Plata River Dolphin at MarineBio.org (Site not responding. Last check: 2007-10-10)
		La Plata river dolphins have a distinct dorsal fin and broad flippers that are rounded at the tips.
		La Plata river dolphins, Pontoporia blainvillei, are found in shallow coastal waters of Uruguay, Argentina, and Brazil from the Valdes Peninsula in Argentina north to the Rio Grande and Sul River near Rio de Janiero.
		La Plata river dolphins, Pontoporia blainvillei, are at-risk of being caught in shark nets and it is estimated that about 1,500 dolphins are killed each year.
	www.marinebio.com /species.asp?id=342 (863 words)

	Wildlife Trust Project Leader Tests (Site not responding. Last check: 2007-10-10)
		The La Plata dolphin (Pontoporia blainevillei), the most threatened cetacean species in the South Atlantic Ocean, is not a sought-after delicacy on anyone’s menu.
		Every year, large numbers of this small relative of the bottlenose dolphin are killed as “incidental bycatch” when they become entangled in commercial fishermen’s gill nets-- flat nets suspended vertically in the water with meshes that allow the head of a fish to pass but entangle it at withdrawal.
		La Plata dolphins are grayish-brown dolphins that grow only four to five in length and live off the coasts of Brazil, Uruguay and Argentina.
	www.wildlifetrust.org /content/fnaug03.htm (656 words)

	cetacea, dolphins, whales and porpoises (Site not responding. Last check: 2007-10-10)
		Dolphins may work cooperatively to assist an individual that is ill or injured.
		These dolphins are generally small, ranging from 1-3 m in length and from roughly 20 to 225 kg in weight, depending on species.
		The dorsal fin is low in all but the La Plata dolphin, in which it is moderately high.
	www.peninsulavaldes.org /patagonia/animals/mammals/cetaceose.htm (3743 words)

	Pablo Bordino \| The Rufford Small Grants for Nature Conservation
		A total of 43 dolphins were caught in the silent nets and only 2 were caught in the active pinger nets, thus demonstrating a highly significant reduction in bycatch.
		The current Reserve logo is a La Plata dolphin and the species is considered an emblem of marine wildlife in the region.
		Our next challenge, for March 2004, is to run radio-satellite telemetry studies on the La Plata dolphins to understand its home range and movement patterns in one of the most critical areas for the species in Argentina.
	www.rufford.org /rsg/Projects/PabloBordino (1852 words)

	La Plata Dolphin (Pontoporia blainvillei) (Site not responding. Last check: 2007-10-10)
		The La Plata dolphin and other river-dolphins are considered rather primitive by comparison to other cetaceans with their long beaks, interlocking conical teeth, and their poor eyesight.
		La Plata dolphins are limited in their distribution to temperate and coastal waters of eastern South America.
		La Plata dolphins are known to fishermen as "the white ghost" because their bodies are light in color and because they flit away when they see humans.
	nmml.afsc.noaa.gov /education/cetaceans/laplata1.htm (158 words)

	WildInvest - direct investment in endangered species
		The La Plata dolphin is among the smallest and most endangered of dolphins.
		La Plata dolphin can live to be just over 20, but most live to only 12 years.
		The Government of Buenos Aires is evaluating whether to declare the La Plata Dolphin a Natural Monument for the Province.
	www.wildinvest.com /dolphin.html (1262 words)

	Franciscana \| Cetacean Fact Sheet \| American Cetacean Society
		The name "Franciscana" is of unknown origin, but one suggestion connects it to the monks of the Franciscan order, the "gray friars" who were involved in the earliest European settlement of Uruguay; the dolphin's grayish color may be responsible for its curious name.
		As is the case with other members of the river dolphin group, its neck vertebrae are unfused.
		This species is the only fresh water dolphin with a true dorsal fin, which is situated at the center of the back.
	www.acsonline.org /factpack/Franciscana.htm (600 words)

	The Dolphins' View
		Dolphins have larger and falcate ('hooked') dorsal fins, whereas porpoises have either triangular dorsal fins (without a curve), or no dorsal fin at all (in the case of the Finless Porpoise).
		Furthermore, most dolphins have a 'beak', while porpoises are 'beakless', with a rounded snout.
		Porpoises travel in smaller groups than dolphins and are less acrobatic at the surface.
	www.thedolphinsview.com /aboutDols/aboutDolsFamily.shtml (174 words)

	All the different Dolphin Species, Including River Dolphins and Porpoises
		This site is dedicated to Dolphin Lovers everywhere who would like our children's children to be able to experience the wild dolphin in the future.
		Dolphins are the "humans" of the open sea...
		There are 33 different types of marine dolphins, 4 types of river dolphins and 6 types of porpoises.
	www.everythingdolphins.com /SpeciesPG.htm (259 words)

	Home Baiji Page (Site not responding. Last check: 2007-10-10)
		Like all dolphins, the baiji has a snout and behind that are the eyes, which are located in various places on the head depending on the species.
		In dolphins, it is difficult to tell where the back, neck, and head actually begin without looking at the skeletal structure.
		Dolphins and whales, although they breathe air, cannot remain out of the water for very long.
	web.bryant.edu /~abh1/baiji/intro.html (376 words)

	The La Plata Dolphin
		The La Plata Dolphin is found in the Atlantic Ocean waters at the southeast parts if South America.
		Also found in Río de la Plata, which in spanish means River of Silver, and which is also known as Plata River.They also live near the coasts of Brazil, Uruguay, and Argentina.
		As high as 1,500 dolphins are accidentally caught in shark nets every year.
	www.tqnyc.org /NYC063120/the_la_plata_dolphin.htm (192 words)

	River Dolphins Family - Dolphins And Whales Window
		River dolphins are four species of dolphin which reside in freshwater rivers and estuarys.
		However it is scientifically classed in the river dolphin family rather than the oceanic dolphin family.
		Also, many river dolphins also possess very poor eyesight — some are considered blind — which can lead to unfortunate encounters with humans or manmade objects (boats or fishing nets for example).
	dolphins.jump-gate.com /different_family/river_dolphin.shtml (234 words)

	CMS: Pontoporia blainvillei, La Plata dolphin (Site not responding. Last check: 2007-10-10)
		It is one of the smallest dolphins and has an extremely long and narrow beak and a bulky head.
		Franciscana are relatively common on the Uruguayan side of the Rio de la Plata (Brownell, 1989 and references therein).
		Reyes (1991) stated that apart from the documented intrusion into the La Plata River in search of prey, there is no additional information on movements of this species.
	www.cms.int /reports/small_cetaceans/data/P_blainvillei/p_blainvillei.htm (2900 words)

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