Factbites
 Where results make sense
About us   |   Why use us?   |   Reviews   |   PR   |   Contact us  

Topic: Short beaked Common Dolphin


  
  Common Dolphin - Wikipedia, the free encyclopedia
Despite its name the Common Dolphin is not the dolphin of popular imagination - that distinction belongs to the Bottlenose Dolphin, largely due to the television series Flipper.
The Common Dolphin is widely distributed in temperate, sub-tropical and tropical waters throughout the world in a band roughly spanning 40 degrees south to 50 degrees north.
Common Dolphins have been seen to mix with other cetaceans such as other dolphins in the Yellowfin tuna grounds of the eastern Pacific and also schools of Pilot Whales.
en.wikipedia.org /wiki/Short-Beaked_Common_Dolphin   (612 words)

  
 Short-beaked Common Dolphin - Delphinus delphis
Short-beaked common dolphins are the fastest of all the small dolphins, reaching speeds of 27 mph.
Sharks and killer whales are natural predators of short-beaked common dolphins, although short-beaked common dolphins are often victorious in a fight against a shark.
The long-beaked common dolphin and Baird's dolphin are close relatives of the short-beaked common dolphin.
www.angelfire.com /mo2/animals1/cetacean/commondolph.html   (566 words)

  
 Common Dolphins
Common dolphins have a fine, streamlined body, with a long narrow “beak” and a sharp angle between the beak and the melon (forehead).
Common dolphins are easily identified by their distinctive brown/yellow hourglass pattern along the side of the body, their very dark grey (almost fl) colour on the upper parts of the body and by the dark stripe between the beak and the flipper.
Common dolphins from elsewhere feed from the surface to at least 280 m depth, in the inshore and offshore environments.
www.fishntales.com /whalewatching/common.htm   (957 words)

  
 Dolphin - Wikipedia, the free encyclopedia
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.
en.wikipedia.org /wiki/Dolphin   (1446 words)

  
 Dolphin Characteristics
The dolphin's belly is white to creamy-white with a gray colored tail.
On average the common dolphin is 5.8-8 feet and weighs 155-245 pounds.
The long-beaked common dolphin is more often found in coastal waters, whereas the short-beaked common dolphin is seen more frequently in offshore areas.
www.mypages.iparenting.com /webs/aborabelly/belly7.html   (508 words)

  
 Tethys projects   (Site not responding. Last check: 2007-10-21)
A resident community of short-beaked common dolphins is being studied in the coastal waters of the eastern Ionian Sea since 1993.
Eco-toxicology and genetics of short-beaked common dolphins and common bottlenose dolphins in the eastern Ionian Sea (1997-2002)
On 11 July, the dolphins approached the structure upstream and engaged in foraging near the outer cage perimeter for 23 min.
www.tethys.org /projects/IDP/idpk_research.htm   (2428 words)

  
 Common Minke Whale - Dolphins And Whales Window
Common dolphins are colorful, with a complex crisscross or hourglass color pattern on the side; the long-beaked common dolphin being more muted in color.
The long-beaked common dolphin is found more in coastal waters; the short-beaked common dolphin is found in offshore waters and is the species that occurs frequently in the eastern tropical Pacific.
Traditionally, hundreds of thousands of common dolphins have been taken incidentally, along with spinner and pantropical spotted dolphins, in purse seine nets used during tuna fishing operations in the eastern tropical Pacific although these numbers may be improving.
dolphins.jump-gate.com /whales/common_minke_whale.shtml   (704 words)

  
 ACS common dolphin Cetacean Fact Sheet - American Cetacean Society
When looking at the profile of the two common dolphin species, the short-beaked common dolphin has a more rounded melon that meets the beak at a sharp angle, as compared to the long-beaked common dolphin that has a flatter melon that meets the beak at a more gradual angle.
The short-beaked common dolphin is relatively heavier, and has a larger dorsal fin and flippers than the long-beaked common dolphin.
STATUS Traditionally, hundreds of thousands of common dolphins have been taken incidentally, along with spinner and pantropical spotted dolphins, in purse seine nets used during tuna fishing operations in the eastern tropical Pacific although these numbers may be improving.
www.acsonline.org /factpack/common.htm   (838 words)

  
 Common Dolphins
Common dolphins, with various beak lengths, are found in southern Australian waters but the speciesâ identity had not been resolved, so a study, funded by SWRRFI, was carried out by Stephen Donnellan and Catherine Kemper at the South Australian Museum, and graduate students from the University of Adelaide Catherine Bell and Catherine White.
Molecular analyses of 38 common dolphins (some with short and some with long beaks) from eastern and southern Australia showed that there were no obvious groups based on beak type but there was evidence of close relationships with the Short-beaked Common Dolphin from the northern hemisphere.
Dolphins from coasts near the edge of the continental shelf, and therefore deep water, tended to be larger than those from areas where the shelf was distant.
www.samuseum.sa.gov.au /orig/dolphins.htm   (2059 words)

  
 Project Jonah New Zealand
The short-beaked common dolphin is relatively heavier and has a larger dorsal fin and pectoral fins than the long-beaked common dolphin.
In one instance, a common dolphin from California was drowned by a group from Africa.
Common dolphins (D. delphis) have been found to have magnetite present in their head, possibly as a navigational aid for using natural geomagnetic contours in the earth.
www.whalerescue.co.nz /text/resources_fact_common.html   (616 words)

  
 Cetacea - Short-beaked Common dolphin   (Site not responding. Last check: 2007-10-21)
The Common dolphin is named from the Latin and Greek words for dolphin, referring to the fact that this was the species with which the Ancients were most familiar.
The Common dolphin is slender and streamlined, with a long or short beak, depending on the geographical location.
Common dolphins range in size from 1.7m to 2.6m, and weigh between 70kg and 135kg.
www.cetacea.org /new/species/sbcommon.php   (529 words)

  
 short beaked common dolphin
In 2003 the Mediterranean common dolphin 'subpopulation' was listed as endangered in the IUCN Red List of Threatened Animals, based on criterion A2, which refers to a 50% decline in abundance over the last three generations, the causes of which 'may not have ceased or may not be understood or may not be reversible' (http://www.redlist.org).
Short-beaked common dolphins in the Mediterranean have undergone a remarkable drop in abundance and have almost completely disappeared from large portions of their former range.
From 1997 to 2000 the mean depth of common dolphin sightings was 164.5m, (±101.8 SD; min 50 m, max 630 m) and the average distance form the nearest coast was 3.5 km.
www.delphismdc.org /en/projects/Dd.htm   (697 words)

  
 Dolphin Feature - The Common Dolphin
The Common dolphin is one of the most abundant of all dolphin species, hence the name.
The underside (belly) of the Common dolphin is a brilliant white.
Many of the Common dolphin will jump clear of the water while bow riding as if they were trying to catch a glimpse of what or who is onboard.
www.suite101.com /article.cfm/dolphins/29615   (467 words)

  
 PBS - The Voyage of the Odyssey - Track the Voyage - MEDITERRANEAN SEA
Probably numbering in the low millions, the common dolphin is the most numerous dolphin in offshore warm temperate waters in the Atlantic and Pacific oceans.
Until the late 1960's, Common dolphins were widespread in both the pelagic and inshore waters of the Mediterranean Sea.
The common dolphin is a slender, evenly proportioned animal with an elaborate hourglass pattern of white, gray, fl and yellow on their sides.
www.pbs.org /odyssey/odyssey/20041210_log_transcript.html   (776 words)

  
 Tethys projects   (Site not responding. Last check: 2007-10-21)
Common dolphins in the eastern Ionian Sea appear to feed largely on shoaling prey in the water column or near the surface.
Common dolphins around Kalamos have a highly fluid fission-fusion social system, a flexibility that may enable the animals to adapt to environmental shifts and fluctuating food prey availability.
The local common dolphin decline and the low density of bottlenose dolphins appear to reflect the general status of these cetacean species in the Mediterranean, a region where the common dolphin ‘subpopulation’ was listed as Endangered in the IUCN Red List in 2003.
www.tethys.org /projects/IDP/idpk_home.htm   (1015 words)

  
 Common Dolphin   (Site not responding. Last check: 2007-10-21)
The long, narrow beak is sharply divided from the lower forehead by a deep groove.
Common dolphins are common in temperate, subtropical and tropical waters of the Atlantic and Pacific Oceans.
Common dolphins are intelligent animals and have interests, fears, moods and emotions.
www.coastalguide.to /commondolphin/main.html   (624 words)

  
 Common Dolphins
common dolphins also have fl backs, white undersides, and prominent gray and yellowish-brown stripes on their sides resembling an elaborate criss-cross or hourglass pattern.
Common dolphins are one of the smallest dolphins, with a body length of 1.7-2.4m and weighing 70-110kg.
Common dolphins are mainly fl or dark brown.
www.dolphinswrld1.netfirms.com /CommonDolphins.htm   (265 words)

  
 Short-beaked common dolphin   (Site not responding. Last check: 2007-10-21)
The short-beaked common dolphin has the highest mortality rate of all cetacean species impacted by the drift gillnet fishery that operates off the coast of California.
For many years, the common dolphin was considered to be a single highly variable species that occupied tropical and warm temperate waters around the world.
Besides the implied differences in beak length between the two species, there are also distinct differences in their cranial morphology and in their external color pattern.
swfsc.ucsd.edu /PRD/PROGRAMS/POP-ID/case/shortbeak.html   (568 words)

  
 SHORT BEAKED COMMON DOLPHIN
Common Dolphins occur in warm temperate, subtropical and tropical waters worldwide.
All forms vary slightly in size but are recognisable as Common Dolphins due to the tell-tale 'hourglass' pattern on each side.
It is broken by one or two yellow or grey stripes that stretch from beak to beneath the 'V'-shaped dip.
www.seaweb.50g.com /commondolphin.htm   (330 words)

  
 Short Beaked Common Dolphins - Dolphins And Whales Window
The Common Dolphin (Delphinus delphis) is the name given to two, or occasionally one species of dolphin, making up the genus Delphinus.
This study also suggested that a third species (D. tropicalis, common name usually Arabian Common Dolphin), characterized by an extremely long and thin beak and found in the Red Sea and Indian Ocean, might be distinguished from the long-beaked species.
Common Dolphins have been seen to mix with other cetaceans such as other dolphins in the Yellowfish Tuna grounds of the eastern Pacific and also schools of Pilot Whales.
dolphins.jump-gate.com /differnt_dolphins/short_beaked_common.shtml   (598 words)

  
 Short-beaked common dolphin - Delphinus delphis: More Information - ARKive
The short-beaked common dolphin is the commonest dolphin species (1), but exact numbers are unknown (3).
These fast-swimming dolphins are highly active (1), often leaping clear of the water (breaching), and slapping their flippers on the water surface (lobtailing) (3).
A UK Biodiversity Action Plan priority species, the common dolphin is protected in UK waters by the Wildlife and Countryside Act 1981 and the Wildlife (Northern Ireland) Orders, 1985; it is illegal to intentionally kill, injure, or harass any cetacean (whale or dolphin) species in UK waters (2).
www.arkive.org /species/ARK/mammals/Delphinus_delphis/more_info.html   (659 words)

  
 IUCN Red List of Threatened Species: Delphinus delphis (Mediterranean subpopulation)
The case for regarding Mediterranean Common Dolphins as a distinct subpopulation is not perfect, and admittedly rests upon a somewhat complicated chain of inference.
Common Dolphins can be found in portions of the eastern Ionian Sea, particularly around the island of Kalamos (Politi and Bearzi in press), and in the Gulf of Corinth (Frantzis and Herzing 2002).
Even if it were true that Striped Dolphins have been extending their range to inshore waters traditionally inhabited by Common Dolphins, it would be unclear whether this process was being driven by competitive exclusion, or was instead a secondary outcome of the Common Dolphin’s disappearance for some other reason.
www.redlist.org /search/details.php?species=41762   (2606 words)

  
 ACS MONTEREY BAY Meeting February 1996 -- Common dolphins   (Site not responding. Last check: 2007-10-21)
Common Dolphins: The Long and the Short of It Thursday, February 29th, 7:30 p.m.
Common dolphins (both species) are widespread in their distribution with the short-beaked common dolphin (Delphinus delphis) found farther off-shore than the larger long-beaked common dolphin (Delphinus capensis).
Fish can be identified down to genera and in her work with the two species of common dolphin, Libby was able to identify the fish down to the species level using the distinctive shape of the otoliths.
www.starrsites.com /acsmb/mtg9602.htm   (590 words)

  
 ACCOBAMS   (Site not responding. Last check: 2007-10-21)
Short-beaked common dolphins in the Mediterranean Sea are found both in the pelagic and in the neritic environment, often sharing the former with striped dolphins and the latter with common bottlenose dolphins.
Evans, W.E. (1994) Common dolphin, white-bellied porpoise Delphinus delphis Linnaeus, 1758.
Ferrero, R.C. and Walker, W.A. (1995) Growth and reproduction of the common dolphin, Delphinus delphis Linnaeus, in the offshore waters of the North Pacific Ocean.
www.accobams.org /species/Delphinus_delphis/Dd_species_info.htm   (1813 words)

  
 MSN Encarta - Search Results - beaked
Beaked Whale, family of rarely seen, small to medium-sized whales characterized by long, pointed snouts and, in males, two to four protruding teeth...
Hazelnut, common name applied to any of a genus of trees and shrubs of the birch family.
Short-beaked common dolphins are found in temperate and tropical waters around the world....
encarta.msn.com /beaked.html   (91 words)

  
 About the research project
The eastern Ionian Sea short-beaked common dolphins are therefore considered as a relic community of a species in need of urgent conservation measures.
Dolphin behaviour is systematically recorded throughout the sighting, at standard 6-min intervals, together with geographic position, group size, group composition, group formation, surface activity pattern and duration of surfacing intervals.
Since 1993, approximately 100 short-beaked common dolphins and 30 common bottlenose dolphins have been photo-identified by means of long-lasting natural marks on their dorsal fins.
www.wdcs.org /dan/publishing.nsf/allweb/1C42D1F0649EEC0C80256CF40031EE38   (706 words)

  
 Dolphin Desktop Wallpaper Background   (Site not responding. Last check: 2007-10-21)
Dolphins can reach lengths of 7.5 - 8.5 feet (2.3-2.6 m) and weigh as much as 297 lb (135 kg).
Dolphins have been known to work as a group and herd schools of fish into small areas.
Dolphins live to about 40 years in captivity, and 25 - 30 years in the wild.
www.flashfast.com /wallpaper/dolphin.html   (172 words)

  
 Monterey Bay dolphins   (Site not responding. Last check: 2007-10-21)
Dolphins and porpoises are toothed whales, and a number of rarer toothed whales are shown on my Monterey Bay rare cetaceans page.
Many older Short-beaked Common Dolphins show patches of pale whitish on the dorsal fin while Long-beaked Common Dolphins rarely show this feature (but do not rely on this point; you will note that neither of the photographed mammals here have such a patch).
There is a 1.09% sequence divergence in the mitochondrial DNA tested between the two species of common dolphins off California which is 50 times greater than the divergence between Short-beaked Common Dolphins in California and those halfway around the world in the Black Sea (Rosel et al.
montereybay.com /creagrus/MtyBaydolphins.html   (2601 words)

  
 IUCN Red List of Threatened Species: Delphinus delphis
Common dolphins were fairly abundant in the northern part of the western Mediterranean Sea as recently as the 1970s, but for unknown reasons they are now rarely seen there (Forcada and Hammond 1998).
Short-beaked Common Dolphins are taken in considerable numbers in Sri Lanka, Peru, Ecuador, and probably India.
Short-beaked Common Dolphins were heavily exploited by the tuna purse seine fishery in the eastern tropical Pacific during the 1960s and 1970s.
www.redlist.org /search/details.php?species=6336   (722 words)

  
 ACS Soundings -- The ACS Monterey Bay Grants and Common Dolphin
We were discussing common dolphins and research that was being done to determine if the two types (short-beaked and long-beaked) were really two separate species.
Short-beaked common dolphin in the by-catch appeared to have different prey species that were important compared to the other three dolphin groups.
This would indicate that short-beaked common dolphin in the process of stranding switch from their "normal" prey species and forage on nearshore prey similar to long-beaked common dolphin.
www.starrsites.com /acsmb/Soundings/ACSGrants0006.htm   (617 words)

Try your search on: Qwika (all wikis)

Factbites
  About us   |   Why use us?   |   Reviews   |   Press   |   Contact us  
Copyright © 2005-2007 www.factbites.com Usage implies agreement with terms.