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Topic: Atlantic Humpback Dolphin


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In the News (Tue 15 Dec 09)

  
  Dolphin Care UK -
Atlantic white-sided dolphins can easily be spotted at sea with their large, robust bodies, and the distinctive white patch on their sides finishing in a yellow streak at the rear of their flanks.
Atlantic white-sided dolphins are born weighing 30 - 35 kg (65 - 75 lb).
Atlantic white-sided dolphins are highly social animals, and like to swim in the company of other whales, dolphins and porpoises, such as white-beaked dolphins, humpback whales, fin whales and long-finned pilot whales.
www.dolphincareuk.org /atlantic.html   (260 words)

  
 DRC - Dolphin Natural History   (Site not responding. Last check: 2007-11-05)
Atlantic bottlenose dolphins are usually 6 to 9 feet long at maturity; the Pacific variety often may be larger.
When the dolphin reappears, comes to a full stop, and dives just out of net range, the fishermen closest to the dolphin cast their nets, even though the water is murky and they cannot see any fish.
Dolphins are very tactile creatures and seem to express affection through such varied behaviors as raking each other with their teeth or gentle stroking.
www.dolphins.org /Learn/lmm-nhst.htm   (4379 words)

  
 Atlantic Spotted Dolphin -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-11-05)
On account of their similar appearance to other dolphins in their range it is difficult to be sure of the Atlantic Spotted Dolphin's population.
Some Atlantic Spotted Dolphins, particularly some of those are around The (Island country in the Atlantic east of Florida and Cuba; a popular winter resort) Bahamas have become habituated to human contact.
Atlantic Spotted Dolphins are an occasional target of (A spear with a shaft and barbed point for throwing; used for catching large fish or whales; a strong line is attached to it) harpoon fishermen and every year some creatures are trapped and killed in (Click link for more info and facts about gillnet) gillnets.
www.absoluteastronomy.com /encyclopedia/a/at/atlantic_spotted_dolphin.htm   (547 words)

  
 Cetacea - Atlantic Humpback Dolphin   (Site not responding. Last check: 2007-11-05)
This dolphin is robust, with a long beak, large melon, and well-rounded flippers.
Atlantic Humpbacked dolphins are slate-grey or pale grey on their uppersides, with a lighter underside and the presence of speckles.
Humpback dolphins have an unique way of surfacing; the beak and often the entire head breaks the surface before the body arches tightly, making the hump and dorsal more prominant, and submerging.
www.cetacea.org /new/species/atlantic.php   (264 words)

  
 ADW: Sousa teuszii: Information
The humpback dolphin is known for its unusual dorsal fin.
Although the age of sexual maturity is not known for the Atlantic humpback dolphin, most dolphins reach this point between the ages of four to eight years.
Atlantic humpback dolphins are used by people in Mauritania as an aid in netting fish (see Conservation section) (Evans 1987).
animaldiversity.ummz.umich.edu /site/accounts/information/Sousa_teuszii.html   (998 words)

  
 This will be the best Dolphin site around - Species
The atlantic spotted dolphin is different from the spinner dolphin and other spotted dolphins because it has a more robust body, thicker beak and other smaller differences making it more similar to the bottlenose dolphin.
Black dolphins may be confused with the spectacled porpoise or with the burmeister's porpoise.
These dolphins are illegally hunted and killed to be used as bait for the king crab fishery in Chile.
dolphinworld.users.50megs.com /speciesbits.html   (430 words)

  
 Humpback Dolphins   (Site not responding. Last check: 2007-11-05)
Classification of the humpback dolphin is in dispute.
In comparison to the rest of KwaZulu-Natal, the size of humpback dolphin population was larger in the shallow, turbid (brown) waters of the Tugela Bank (Durham 1994).
Humpback dolphin groups are generally quite small (on average there are about 7 dolphins in a group) and the groups are not stable.
www.dolphins.org.za /humpback_dolphins_Info.htm   (385 words)

  
 Cetacea - Wikipedia, the free encyclopedia
Cetaceans are nearly hairless, and are insulated by a thick layer of blubber.
There are many misconceptions about cetaceans (whales, dolphins and porpoises), the most common of which is the idea that cetaceans are fish.
This means that cetaceans with pointed 'beaks' (such as dolphins) have good binocular vision forward and downward, but others with blunt heads (such as the Sperm Whale) can see either side but not directly ahead or directly behind.
en.wikipedia.org /wiki/Cetacea   (1371 words)

  
 Aquatic Mammals 30(1) abstracts   (Site not responding. Last check: 2007-11-05)
Interactions between plumbea-type humpback dolphins and a variety of non-cetacean spe- cies have been reported, and in Zanzibar mixed groups of humpback and bottlenose dolphins are common.
Humpback dolphins in China feed on several species of demersal and estuarine fishes, with little evidence of predation on cephalopods or crustaceans.
The conservation of humpback dolphins in Australia's northern coastline will depend on the maintenance of high-quality habitat in areas that are already under some protection, the identification of critical habitats, the inclusion of these habitats in the rezoning initiatives of protected areas, and the reduction of conservation threats.
www.eaam.org /abstracts/am_30_1.htm   (4331 words)

  
 Marine Mammal Species Information
Preliminary evidence also suggest that North Atlantic right whale populations have dropped to the point where they have lost some genetic diversity, and inbreeding may also be a problem in their recovery.
Atlantic white-sided dolphins, like all dolphins, feed on single prey items, so they are less likely to feed on the large numbers of small fish that the whales usually feed on.
Today the primary threats to Atlantic white-sided dolphins are from pollutants (all dolphin species seem to build up unusually high pesticide loads), and entanglement in fixed fishing gear, which is often fatal to the dolphin.
www.whalecenter.org /species.htm   (3886 words)

  
 Dolphin   (Site not responding. Last check: 2007-11-05)
In the eastern tropical Pacific the population is estimated to be 243,500, while in the waters of Japan the population estimates are as low as 37,000.
Dolphins are social animals well known for their playful and carefree nature.
Dolphins can be found in both the Pacific and Atlantic Oceans, though they prefer warm to tropical water.
www.npca.org /wildlife_protection/wildlife_facts/dolphin.asp   (270 words)

  
 The Oceania Project - Humpback Whale Research Bibliography   (Site not responding. Last check: 2007-11-05)
Movements of humpback whales between Kauai and Hawaii: implications for population structure and abundance estimation in the Hawaiian Islands.
178.4 Whitehead H.P. (1981) The behavior and ecology of the Humpback whale in the Northwest Atlantic.
Whitehead, H. Populations of the humpback whales in the Northwest Atlantic.
www.oceania.org.au /soundnet/research/humpback.html   (6831 words)

  
 WhaleWatch.com
The Dolphin Fleet continues to share it's scientific data for public and educational use.
In 1975 the Dolphin Fleet started whale watching out of Provincetown, Massachusetts with the hope of bringing an understanding and awareness to the public about whales and their environment.
The North Atlantic Right Whale is one of the most endangered species in the world, and may be seen in and around the waters of Provincetown and Cape Cod Bay.
www.whalewatch.com   (691 words)

  
 Encyclopedia: Cetacea   (Site not responding. Last check: 2007-11-05)
The cetaceans (whales, dolphins and porpoises) are descendants of land-living mammals, and remnants of their terrestrial origins can be found in the fact that they must breathe air from the surface; in the bones of their fins, which look like huge, jointed hands; and in the vertical movement of...
Binomial name Lagenodelphis hosei Frasers Dolphin range Frasers Dolphin (Lagenodelphis hosei) is a cetacean in the genus Delphinidae found in deep waters in the Pacific Ocean and to a lesser extent in the Indian and Atlantic Oceans.
Binomial name Lagenorhynchus albirostris (Gray, 1846) White-beaked Dolphin range The White-beaked Dolphin (Lagenorhynchus albirostris) is a marine mammal belonging to the family Delphinidae (dolphins) in the suborder of the Odontoceti, or toothed whales.
www.nationmaster.com /encyclopedia/Cetacea   (7534 words)

  
 Detailed information about Pacific Whitesided Dolphins   (Site not responding. Last check: 2007-11-05)
Pacific whitesided dolphins inhabit the temperate Northern Pacific Ocean north of the coasts of Japan and Baja California, Mexico, and across the North Pacific between the latitudes of 38°N and 47°N. They range from the open ocean to nearshore waters.
Dolphins can recognize some colors and their pupils can adjust to light and dark changes in their environment.
Dolphins have a well-developed sense of hearing and navigate their environments through echolocation.
nmml.afsc.noaa.gov /education/cetaceans/pacificws2.htm   (549 words)

  
 Species Profiles — OBIS-SEAMAP
Atlantic humpback dolphins have a long, distinct beak, broad flippers with rounded tips, and a moderately deepened tail stock.
Some humpback dolphins may occupy rivers, such as the Niger, but it is not thought that there are separate freshwater populations.
Atlantic humpback dolphins feed on schooling fishes and, contrary to some descriptions, are not thought to eat vegetable matter.
seamap.env.duke.edu /species/tsn/180420   (489 words)

  
 Cetacean Bycatch - Papers Sorted by Year
Monitoring entanglements of humpback whales (Megaptera novaeangliae) in the Gulf of Maine on the basis of caudal peduncle scarring.
Dolphin mortality incidental to purse-seining for tunas in the eastern tropical Pacific inflicted by the US fleet in 1983 and non-US fleet in 1979-1983.
Hammond, P.S. Dolphin mortality incidental to purse-seining for tunas in the Eastern Tropical Pacific, 1982.
www.cetaceanbycatch.org /vl/papers_year.cfm   (3924 words)

  
 Dolphin Connection Home Page, Joan Ocean seminars, dolphin swims.
When the dolphin pods arrive in the morning, their consciousness contacts me in my sleeping dream state and I wake up knowing they are here.
Over the past twenty years, the Hawaiian Spinner dolphins have welcomed me into their families and taught me about the ocean, about swimming and diving, healthy living in community, serenity, harmony with nature, compassion, and how to access multiple, fascinating states of consciousness.
In Hawaii I meet with the Pilot whales, the Humpbacks, the Spotted dolphins, Bottlenose and Spinners of the Pacific, all with a Lemurian heritage.
joanocean.com   (545 words)

  
 Atlantic Humpbacked Dolphin, Sousa teuszii @ MarineBio.org
Atlantic humpbacked dolphin herd schooling fish closer to the shore when signaled by fishermen allowing the fishermen to net the fish and the dolphins to feed freely.
It is thought that Atlantic humpbacked dolphins stay near the shore to avoid predation by Orca (Killer whales) that use echolocation to find the dolphins given that the presence of land interferes with echolocation.
Atlantic humpack dolphins have been known to seek refuge in reefs and near the ocean bottom in deeper waters.
marinebio.org /species.asp?id=344   (1069 words)

  
 New Scientist Conservationists name key areas for saving dolphins - Breaking News
Hundreds of thousands of dolphins and porpoises are accidentally caught in fishing nets each year, posing an increasing threat to already endangered populations, warns a new report.
Another promising area is off the south coast of Zanzibar, where between 6 and 8% of Indo-Pacific humpback dolphins and bottlenose dolphins are caught in gill nets each year.
But, after a ban on dolphin hunting in 1996, former hunters have begun to make their livelihoods by taking tourists out to see the frolicking mammals.
www.newscientist.com /channel/life/endangered-species/dn7501   (559 words)

  
 Humpback dolphin - Wikipedia, the free encyclopedia
chinensis (Humpback Dolphin/Indo-Pacific Humpback Dolpin/Pacific Humpback Dolphin), S.
Humpback dolphins found in Chinese waters are locally known as Chinese White Dolphins.
This page was last modified 02:24, 6 November 2005.
en.wikipedia.org /wiki/Atlantic_Humpbacked_Dolphin   (371 words)

  
 Atlantic Humbacked Dolphin - Dolphins And Whales Window
Further, in, Australian cetologist Graham Ross writes "However, recent morphological studies, somewhat supported equivocally by genetic analyses, indicate that there is a single, variable species for which the name S. chinensis has priority".
Humpback Dolphins Graham J. Ross pps 585-589 in Encyclopedia of Marine Mammals (1998).
Cetacean Societies: Field Studies of Whales and Dolphins Mann, Connor, Tyack and Whitehead (2000).
dolphins.jump-gate.com /differnt_dolphins/atlantic_humpbacked.shtml   (377 words)

  
 Nets Kill Nearly 1,000 Marine Mammals a Day, Group Says   (Site not responding. Last check: 2007-11-05)
In the case of Atlantic humpback dolphins, the report's authors have little idea how many of the animals remain or how many die as bycatch.
In European Union waters, the use of drift nets for tuna in the Atlantic and Mediterranean was banned in 2002.
It's the fate of dolphins and porpoises in the developing world that most concerns conservationists, especially because these waters support the greatest number of cetacean species and the most at-risk populations.
news.nationalgeographic.com /news/2005/06/0610_050610_dolphins_2.html   (795 words)

  
 WAFCET 2 Report
Confirmed sightings (n= 10) of Atlantic hump-backed dolphins Sousa teuszii in Saloum delta waters, 1999-2000.
Atlantic hump-backed dolphins and bottlenose dolphins sighted opportunistically in Guinea-Bissau from
dolphins landed at Joal, Senegal, in 1955 and 1958.
www.cms.int /reports/WAFCET/WAFCET2/WAFCET2_Report.htm   (360 words)

  
 Cetacean Bycatch Resource Center
dolphin (Inia geoffrensis) and the tucuxi (Sotalia fluviatilis) in the upper
Palka, D.L. and Rossman, M.C. Bycatch estimates of coastal bottlenose dolphin (Tursiops truncatus) in U.S. Mid-Atlantic gillnet fisheries for 1996 to 2000.
Reaction of Hector's dolphins to acoustic gillnet pingers.
www.cetaceanbycatch.org /sppapers.cfm   (1438 words)

  
 Atlantic White-Sided Dolphin
The threats to this dolphin are hunting and getting caught up and tangled in fishing nets.
The Atlantic White-Sided Dolphin is a very sociable animal.
Atlantic White-Sided Dolphins have bands of grey running along side of their bodies.
www.angelfire.com /mb/dolphins/Atlanticwhitesidedol.html   (164 words)

  
 Electromate Industrial Sales
Above: One of the evolved dolphins, whose opposable thumbs have struck fear in the hearts of humankind.
Some dolphin behaviorists believe that the gentle marine mammal, pushed to the brink by humanity's reckless pollution and exploitation of the sea, tapped into some previously unmined mental powers to spontaneously generate a thumb-like appendage.
However, given that 95 percent of the world's dolphin experts have committed suicide since learning of the development, the full story may never be known.
www.electromate.com /news?c=wackynews&wackynews_id=10016   (509 words)

  
 Humpback Whale Pictures
A selection of Humpback Whale Pictures taken during Whale Watching trips in various locations in North America.
Many of these Humpback Whale pictures are taken from Northern Vancouver Island, Newfoundland, and Cape Cod.
When a humpback whale surfaces for air, the distinctive hump by which it receives its name, is visable.
www.hickerphoto.com /humpback-whale-pictures-cat.htm   (144 words)

  
 New report on the conservation of West-African cetaceans
The project was implemented in Senegal and The Gambia, from December 1999 till December 2001.
It generally aimed at collecting information on the conservation status of coastal cetaceans, with emphasis on status of the Atlantic humpback dolphin (Sousa teuszii), and support activities to improve it.
Several recent events demonstrate increasing interest for whales and dolphins and their management within the sub region.
www.cms.int /news/PRESS/nwPR2004/200104_WAFCET_Report.htm   (397 words)

  
 Marine Mammals
These dolphins are not as smart as bottlenose dolphins (whose brains are as large as ours), and they are somewhat smaller.
Your support ($40/adoption according to one source; $30 according to another) is used for the care and survival of the humpback and for anti-whaling campaigns.
Two hundred plus humpback whales have been identified who are part of the Gulf of Maine-Scotian Shelf substock of the Western North Atlantic population.
www.ganesha.org /misc/dolphin.html   (2075 words)

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