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Topic: Sei Whale


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In the News (Sun 22 Nov 09)

  
  Sei Whale - Wikipedia, the free encyclopedia
Sei Whales feed on coalfish, amongst other small fish and squid in Norwegian waters and so the fish and whales were and are often sighted together, giving the whale its name.
The Sei Whale is large, weighing 600-750 kilograms and measuring 4-5 metres in length at birth.
Sei Whales differ from other rorquals in that it is not easy to predict where groups will appear from one year to the next.
en.wikipedia.org /wiki/Sei_Whale   (874 words)

  
 Sei Whale Fact Sheet   (Site not responding. Last check: 2007-09-17)
The sei whale resembles a blue or finback whale, but has a smaller and more curved dorsal fin and is dark on the undersides of the flippers and tail flukes.
This whale may be the fastest of the large whales, able to cruise at 16 mph (14 knots) with a maximum speed of 40 mph (35 knots) recorded.
Sei whales are found in the North Atlantic Ocean ranging from Iceland south to the northeastern Venezuelan coast, and northwest to the Gulf of Mexico.
www.dec.state.ny.us /website/dfwmr/wildlife/endspec/sewhfs.html   (580 words)

  
 The Sei Whale   (Site not responding. Last check: 2007-09-17)
Sei whales became endangered because of overharvesting and unregulated whaling.
The Sei whales are found in all oceans and adjoining seas, except the extreme polar and tropical regions.
The sei whales are often observed skimming through the water, swimming close to the surface and having the mouth slightly opened.
www.orecity.k12.or.us /ochs/departments/science/species/seiwhale.html   (1470 words)

  
 Cetacean Species - Sei Whale
Sei whales have fewer ventral throat grooves than the blue, fin or minke whales, varying in number from 30 to 60 and terminating midway between the flippers and the navel.
Sei whales often swim horizontally near the surface when feeding, in contrast to blue, fin and humpback whales that typically turn on their side to feed.
Pregnant females are among the first sei whales in the migration to and from the Antarctic, and in the Antarctic and North Pacific the older and bigger sei whales tend to be found at the highest latitudes.
www.crru.org.uk /education/factfiles/sei.htm   (1115 words)

  
 Sei whale
Sei whales are generally 14-15 m long, weighing about 20 t, although they can reach lengths of 18.6 m (with males) and 21.0 m (with females) in the Antarctic, and weigh up to 30 t.
Sei whales are dark grey or bluish grey in colour on their back and sides, and on the belly there is a region of greyish white that is almost always confined to the area of the ventral grooves.
Sei whales often swim horizontally near the surface when feeding, in contrast to blue, fin and humpback whales that often turn on their side to feed.
www.whaledolphintrust.co.uk /whales_dolphins/sei-whale.asp   (606 words)

  
 Sei Whale
A sei whale's diet and feeding behaviour is more similar to that of a right whale than other rorquals such as blue and fin whales.
In B.C. the number of sei whales targeted by whalers spiked to over 500 whales a year, starting in 1962 after populations of blue and fin whales had been reduced by overharvesting.
the largest threat to sei whales are their small population size due to overexploitation by whalers in the 20th century.
www.wildwhales.org /cetaceans/sei/history.html   (271 words)

  
 ACS Sei Whale and Bryde's Whale Cetacean Fact Sheet - American Cetacean Society
Sei (pronounced "say") and Bryde's (pronounced "broodus") whales are so similar that it was not until the early 1900's that the whalers realized they were hunting two different species.
Sei whales appeared off the coast of Norway at the same time each year as the pollock that came to feed on the abundant plankton.
Current population estimates for the sei whale are 54,000, or one-fifth of the original population; for the Bryde's 90,000 out of an original population of 100,000.
www.acsonline.org /factpack/SeiBrydesWhales.htm   (1366 words)

  
 Sei Whale   (Site not responding. Last check: 2007-09-17)
The Sei Whale (Balaenoptera borealis) is a large baleen whale, and as such is one of the largest animals in the world.
Following very scale hunting of Sei Whales in the Southern Ocean during middle part of the twentieth century, when 200,000 individuals were killed, the Sei Whale is now an internationally protected species.
Currently around 50 Sei Whales are killed for this purpose each year by Japanese scienties.
bopedia.com /en/wikipedia/s/se/sei_whale.html   (818 words)

  
 Whales on the Net - Whale FAQ
Although male Sperm whales often have large scars on their bodies the scars are usually the result of battles with other adult males and not the result of life-and-death struggles with monstrous squid.
Exceptions are the Gray whale, the Beluga, the Narwhal, Baird's Beaked whale, Southern Bottlenose whale, Andrews' Beaked whale, Hubbs' Beaked whale, Ginkgo-toothed Beaked whale, Longman's Beaked whale, Lesser Beaked whale and Stejneger's Beaked whale.
The baleen whale species that approach the Equator from the north to mate and calve, if they were then to carry on south after the mating and calving season in the northern winter would encounter the southern winter in what was supposed to be their summer feeding season.
www.omplace.com /omsites/discover/faq   (5967 words)

  
 Save the Whales   (Site not responding. Last check: 2007-09-17)
The sei belongs to the Balanopteridae, or rorqual whales, that have numerous ventral grooves and a dorsal fin.
A few sei whales have several half-white plates near the front of their mouths and therefore may be mistaken for fin whales.
There was a pronounced increase in the killing of sei whales during the 1950s and '60s because of the decline of blue and fin whales.
www.savethewhales.org /sei.html   (1016 words)

  
 Australian Antarctic Division - Sei whale
Sei whales are the only member of the rorqual family (the "groove throated" whales including the humpback and blue whales) that feed on minute copepod crustaceans, rather than on larger krill.
Sei whales, like other baleen whales, do not seem to form lasting family groups (unlike many toothed whales) and very little is known of their social lives; they are usually seen in groups of less than five.
Sei whales rarely dive deeper than 300m, or for more than 20minutes, as their prey is usually found quite close to the surface.
www.aad.gov.au /?casid=2450   (457 words)

  
 Monterey Bay Whale Watch - Whales of Monterey Bay
Mother gray whales with their newly born calves pass Monterey during April and May. The mother/calf pairs are most susceptible to Killer Whale attacks in the Bay during this period.
Gray Whales reach lengths of 45', are generally gray in color with white mottling, and have many barnacles and whale lice embedded in their skin.
Humpback Whales reach lengths of 50 to 55', are dark in color with distinctive nodules on their rostrum, and have pectoral flippers that are nearly a third of their body length.
www.montereybaywhalewatch.com /whales.htm   (1608 words)

  
 Sei Whales - Wildlife of Antarctica - Antarctic Connection   (Site not responding. Last check: 2007-09-17)
Sei whales are the third-largest whales in the Southern Ocean.
Sei whales are among the fastest cetaceans, swimming at speeds of up to 30 miles per hour in short bursts.
Although distinguished by their speed, Sei whales are not remarkable divers, preferring to stay near the surface or diving only to shallow depths where they remain submerged for only five to ten minutes at a time.
www.antarcticconnection.com /antarctic/wildlife/whales/sei.shtml   (459 words)

  
 Sei Whale   (Site not responding. Last check: 2007-09-17)
The dorsal fin is tall and hooked compared to other baleen whales, and is forward on the body compared to both fin and blue whales.
Sei whales are similar to Bryde's whale and can be easily confused at sea if the three distinct ridges on the head of the Bryde's whale cannot be seen.
After protection of blue whales and the depletion of fin whale populations, sei whales formed the major part of the Antarctic whale catch in the mid-1960's.
upstarts.net.au /site/non_commercial/whales/whalesspecies/seiwhale.html   (184 words)

  
 Sei Whale: Encyclopedia topic   (Site not responding. Last check: 2007-09-17)
The Sei Whale (Balaenoptera borealis) is a large baleen whale (baleen whale: Whale with plates of whalebone along the upper jaw for filtering plankton from the water), and as such is one of the largest animals in the world.
Following very scale hunting of Sei Whales in the Southern Ocean (Southern Ocean: the southern ocean is the body of water encircling the continent of antarctica....
The total population of Sei Whales is now believed to be between 50 and 60 thousand of which around 10,000 are in or close to Icelandic (Icelandic: A Scandinavian language that is the official language of Iceland) waters.
www.absoluteastronomy.com /reference/sei_whale   (1086 words)

  
 WWF - Whale watching in the Arctic - The Sei Whale (Balaenoptera borealis)   (Site not responding. Last check: 2007-09-17)
Sei whales are dark grey or bluish-grey on their backs and sides, with a greyish white area on the ventral grooves of their lower jaws and underbellies.
Sei whales are normally found alone or in groups of two to five individuals, although larger groups can be found at good feeding grounds.
In the western North Pacific, sei whales are common in the south-west Bering Sea to the Gulf of Alaska, and offshore in a broad arc between about 40 degrees North and 55 degrees North across the Pacific.
www.ngo.grida.no /wwfap/whalewatching/whales_sei.shtml   (398 words)

  
 Sei whale - Dolphins And Whales Window
The Sei Whale was classified in 1828 by the French zoologist René Lesson, who named it Balaenoptera borealis (referring to the north).
The Sei Whale is between 13.6-16m long, with the longest recorded animal at 18.3m; females are generally larger than males.
The Sei Whale was not traditionally a target for whalers because it lived in the same waters as Blue, Fin and Humpback Whales, which were the preferred quarry.
dolphins.jump-gate.com /whales/sei_whales.shtml   (412 words)

  
 WWF - Sei whale
The sei whale became a major target for commercial whaling after the preferred stocks of blue and fin whales had been depleted.
The sei whale is one of the fastest cetaceans, reaching speeds of up to 50 km per hour.
To feed, the sei whale swims through swarms of prey, twisting on its side and also uses the skimming method of filtering food with its baleens.
www.panda.org /about_wwf/what_we_do/species/our_solutions/endangered_species/cetaceans/sei_whale/index.cfm   (459 words)

  
 WhaleTimes Fishin' for Facts - Sei Whale
Male sei whales can reach lengths up to 17.5 meters (57 feet) long and females can be 18-21 meters (59 to 69 feet) long.
The sei's found in the Antarctic are a little larger than those found in the northern part of the world.
Based on the high demand for products made from whale parts, sei whales were hunted extensively for their blubber and baleen.
www.whaletimes.org /seiwhale.htm   (244 words)

  
 Sei whale - Balaenoptera borealis: More Information - ARKive
The sei whale is smaller in size than the fin whale (Balaenoptera physalus), and can be distinguished from this similar species because it has symmetrical colouring on the lower parts of its head (3).
The common name 'sei' arose from the arrival of this whale off the coast of Norway tending to coincide with that of coalfish 'seje' (4).
Although not a traditional target of the whaling industry, the sei whale began to be exploited after the blue, fin and humpback stocks became depleted and protected (4).
www.arkive.org /species/GES/mammals/Balaenoptera_borealis/more_info.html   (630 words)

  
 [No title]
Sei whale movements and distribution are not well documented and are often unpredictable during the year, and from year to year.
Sei whales appear to be strongly migratory, spending the winters in warm, subtropical waters and migrating to temperate or polar seas to feed in the summer.
Sei whales are thought to become sexually mature between six and eight years of age.
www.ifaw.org /ifaw/general/default.aspx?oid=13094   (908 words)

  
 Balaenoptera borealis, finbeque, Sei whale, rorqual boréal, Seiwal
Sei whales definitely pass through he Azores region throughout the year, but not particularly regularly, as results from our observations show.
It can be confused with the Fin whale and to a lesser degree with the Minke whale, given the shorter length of the latter.
However, the Fin whale has an asymmetric coloration in its head, its ventral region is lighter than that of the Sei whale, and the latter can only blow to a hight of 3 m.
www.espacotalassa.com /03_gb/16_species/docs/b_borealis.htm   (438 words)

  
 Boattalk.com - The Sei Whale   (Site not responding. Last check: 2007-09-17)
The Sei Whale tends to follow shelf contours and plankton gatherings.
The shape of the head and the position of the dorsal, which is clearly visible on blowing, distinguish the Sei whale from other species.
Sei Whales tend to swim in pods of 3-5 animals; they rarely dive deeper than 300m.
www.boattalk.com /whales/sei.htm   (238 words)

  
 Sei whale
Sei whales live in all sub-tropical to sub-polar oceans and adjoining seas.
Whaling was a threat for the sei whale untill it obtained a protection status from the IWC in 1978.
Norway catches whales commercially since 1993, but does not hunt sei whales.
www.coastalguide.to /seiwhale/main.html   (530 words)

  
 Marine Mammal Species Information
Currently, the largest threats to fin whales is development and habitat destruction, entanglement, and the interest in several countries for resumed whaling on fin whales.
Minke whales are still commercially hunted by Norway, which kills up to 500 per year, and Japan (under a provision where research is done on the carcass, but the meat can still be sold on the open market), who takes up to 800 Antarctic Minke whales per year.
Current threats to minke whales include expansion of the current hunt (which is being promoted by Japan, Norway, and Iceland), entanglements in fishing gear (since minke whales are not as strong as the larger species, they are more likely to become entangled and die), and degradation of their habitat from pollution.
www.whalecenter.org /species.htm   (3903 words)

  
 Sei Whales in Newfoundland and Labrador   (Site not responding. Last check: 2007-09-17)
The sei whale (Balaenoptera borealis) is often confused with the larger blue and fin whales.
The sei shows little of itself when surfacing, although it may poke its head out of the water, it only arches its back slightly and does not show its flukes before quietly submerging.
The sei whale is all one slate gray color on top and may be lighter gray underneath.
www.newfoundlandwhales.net /seiwhale.htm   (114 words)

  
 SEI WHALE
The sei whale is 12½-15 m long in Icelandic waters.
The sei whale is an open sea creature of all the world’s oceans and does not migrate all the way to the cold seas of the north.
The sei whale is social in behaviour and travels in shoals of 10-20 animals, and sometimes hundreds of them are spotted in a limited area.
www.nat.is /Whales/sei_whale.htm   (305 words)

  
 ICELAND WORLDWIDE - Sei Whale   (Site not responding. Last check: 2007-09-17)
The Sei whale is perhaps the least conspicuous of the four rourqual species that frequent Icelandic waters.
Hunted actively until the international moratorium on whaling took place a reduced quota was allowed until 1989 when whaling was at least for the time being halted in Iceland.
A highly migratory species the sei whales sometimes appear only in small numbers on the whaling banks, while abundant in others, this is not surprising as these banks are on the extreme northern part of their range.
www.iww.is /pages/alife/mammals/sandreydur.html   (83 words)

  
 sei whale   (Site not responding. Last check: 2007-09-17)
Sei whales are smaller than the fin whales.
Sei whales may live as long as 74 years.
These relatively small whales are less profitable for whalers than the much larger blue whale.
gvc03c17.virtualclassroom.org /Site/endang_italy_seiwhale.html   (232 words)

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