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Polar Bears - Data, Pictures and Videos

BorneanTiger Offline
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(12-06-2019, 02:03 AM)Pantherinae Wrote:
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Did they kill it? Which place? Who are these people? ...
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United Kingdom Spalea Offline
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Polar bear eating a narwhal

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Venezuela epaiva Offline
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Big powerful males
Credit to @reidloa and @nateinthewild

*This image is copyright of its original author

*This image is copyright of its original author
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BorneanTiger Offline
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Is Iceland still killing polar bears that drift from Greenland, with the excuse that it's too costly to look after them, and that they pose a potential threat to people? These reports are from 2016: https://icelandmonitor.mbl.is/news/natur...l_thing_t/, https://www.bbc.com/news/blogs-news-from...e-36824156

Official sightings of bears in Iceland since settlement. Credit: Icelandic Institute of Natural History
   

A live polar bear roaming in North-West Iceland in 2011. Photo: Icelandic Coast Guard
   
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BorneanTiger Offline
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( This post was last modified: 01-21-2020, 11:21 AM by BorneanTiger )










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BorneanTiger Offline
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Nice video: 




Scary video, look at its teeth and mouth!



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Virgin Islands, U.S. Rage2277 Offline
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There’s something breathtaking about polar bears. I’m always pleased when I see them nail a hunt. Especially in this case, taking on a beluga whale. What an incredible display of animal predation!
@bertiegregory
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LazarLazar Offline
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Загадка не представляла сложности. Виновник событий дремал под обрывом, весь перемазанный свежей кровью. Происхождение кровавых пятен тоже было ясным. Среди валунов лежал труп молодого, но довольно крупного моржа с отгрызенной головой. Медведь был не очень крупным самцом 3-5 лет, и в обычных условиях вряд ли смог убить такого крупного моржа. Но тут ему помогли особенности местности и личное везение. Тело моржа было зажато в узкой расселине между двух громадных валунов. Он явно пытался в панике покинуть берег, но застрял в расселине, когда на него навалился медведь. На ровной поверхности он просто пополз бы к воде, скинув с себя медведя в прибое, но тут оказался беспомощным перед противником. Насытившийся победитель уловил наш с Максимом разговор, встал, лениво потянулся, ушел к морю и поплыл от греха подальше...
Несколько дней медведи пировали на лежбище, не давая моржам выйти на берег для отдыха. Вскоре о погибшем морже остались одни воспоминания. Как только пиршество завершилось, и медведи стали разбредаться, моржи сделали очередную попытку устроиться для отдыха на твердой поверхности. Вероятно, это происходило ночью, когда моржи не видят медведей и их движений, да и сами медведи не рискуют к ним приближаться.
Translation
The riddle was not difficult. The culprit of events was dozing under a cliff, smeared with fresh blood. The origin of the blood stains was also clear. Among the boulders lay the corpse of a young but rather large walrus with a gnawed head. The bear was not a very large male for 3-5 years, and under normal conditions it was unlikely to be able to kill such a large walrus. But here he was helped by the features of the area and personal luck. The walrus body was sandwiched in a narrow crevice between two huge boulders. He obviously tried to leave the shore in a panic, but got stuck in a crevice when a bear fell on him. On a flat surface, he would simply crawl to the water, throwing a bear off himself in the surf, but here he was helpless in front of the enemy. The satisfied winner caught our conversation with Maxim, got up, stretched lazily, went to the sea and swam away from sin ... For several days the bears feasted on the rookery, not letting the walruses go ashore for rest. Soon, there were only memories of the dead walrus. As soon as the feast was over, and the bears began to disperse, walruses made another attempt to get a rest on a hard surface. This probably happened at night, when walruses do not see the bears and their movements, and the bears themselves do not risk approaching them.

*This image is copyright of its original author


*This image is copyright of its original author

https://panzer-bjorn.livejournal.com/13966.html
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Australia GreenGrolar Offline
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( This post was last modified: 02-23-2020, 02:07 PM by GreenGrolar )

Male Polar Bears Have Longer Hairs on Their Front Legs for Mating.

One of the surprising polar bear facts is that polar bear fur is not completely white! There is a thick layer of hair close to the polar bear’s skin that is the best pair of thermal underwear nature could provide!

Polar bears have an outer layer of fur made up of guard hairs. These guard hairs are actually hollow and transparent. As polar bears get older, their coats often yellow. Enjoy that new white suit while it’s fresh!

Another one of the interesting polar bear facts about fur is that male polar bears have longer hairs on their front legs. It’s speculated that these hairs are an important part of the mating process and are used to attract female polar bears.

https://interesting-facts.com/polar-bear-facts/#male-polar-bears-have-longer-hairs-on-their-front-legs-for-mating
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United Kingdom ragelion Offline
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What an absolute unit

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Virgin Islands, U.S. Rage2277 Offline
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natureisavage-

A polar bear’s last moments
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United Kingdom Spalea Offline
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Sajini Ramesh: " Face off with the largest apex predator on land. "


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BorneanTiger Offline
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(03-07-2020, 12:21 PM)Spalea Wrote: Sajini Ramesh: " Face off with the largest apex predator on land.  "



Mainland that is, barring islands like that of Kodiak, besides crocodilians and pinnipeds (seals, sea lions and walruses), which are semi-aquatic like polar bears.
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United States Pckts Offline
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United States BloodyClaws Offline
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Predation of Belugas and Narwhals by Polar Bears in Nearshore Areas of the Canadian High Arctic  

ABSTRACT. On 18 August 1988 we found four narwhals and two dead belugas stranded on a low beach at Creswell Bay, Somerset Island. All of the narwhals and two of the belugas had been attacked and partially eaten by polar bears. At Cunningham Inlet, where belugas concentrate in large numbers, we have noted ten strandings over the period 1980-88, without bear predation on these occasions. One bear, hunting from an ice floe in deep water at Cunningham Inlet, killed two sub-adult belugas in July 1985. Belugas seem to exhibit curiosity towards swimming polar bears that might serve to drive bears out of the area and reduce the risk of predation. The potential large summer food resource for bears represented by odontocete whales in the High Arctic Archipelago seems to be underutilized. The timing and location of beluga concentrations are known and dates of probable strandings are somewhat predictable, which might allow us to assess the extent of bear predation on whales in the future. 

http://pubs.aina.ucalgary.ca/arctic/Arctic43-2-99.pdf

Polar Bear Predation on Beluga in the Canadian Arctic 

During May 1970, while conducting field work at Grise Fiord in the Canadian Arctic Archipelago, a local hunter reported that a polar bear (Ursus maritimus) had successfully caught 3 beluga (Delphinapterus leucas) during March near King Edward VI1 Point (76"08'N., 81"08' W.), the extreme southeast cape of Ellesmere Island, Northwest Territories. As none of the fifteen local hunters had ever witnessed such an event, and only one had ever heard of it before, I assumed bear predation on whales to be very rare, and consequently recorded whatever information I could obtain at the time. According to the hunter's narrative, movement of a partially grounded iceberg about 200 metres offshore had prevented freezing of a small area of water surrounding the berg. Winter trapment of whales is known to occur during unusual conditions of sea-ice formationl, and as the open sea was at least 30 kilometres distant from this locality in March it seems probable that a small number of beluga had endeavoured to pass the winter in the open water alongside this berg. At some time in March a medium-sized female bear had caught and removed an adult female beluga together with another adult and a grey-coloured subadult beluga both of unspecified sex; the adult female beluga was dragged about 7 metres from the edge of the water, the other two a shorter distance only. On 25 May an attempt was made to visit this location, but when within about 15 kilometres the tracks of a large male bear were seen, and hunting this animal took up the remainder of the day. The stomach of this 400-kilogram bear contained, in addition to some skin and fat of a newly-killed ringed seal (Pusa hispida), several pieces of white beluga skin. Four days later on reaching the site of the whale kill, only the carcass of the grey beluga remained; apparently movement of the berg had broken up the ice and no trace of the other two carcasses could be found. The remaining carcass was attracting large numbers of glaucous gulls (Larus hyperboreus) and some ravens (Corvus corax) and earlier that day two male bears had been present. The smaller of the two bears had walked backwards dragging the beluga carcass tail-first in a zig-zag course a distance of about 150 metres from an earlier resting place on the ice. Inspection of the carcass indicated loss of all skin and fat, and most of the meat from head and trunk; fracture of the occipital bones had occurred, but it is not known if this damage was suffered before or after death. An eyewitness account of a polar bear killing beluga in Novaya Zemblya however, relates how the bear lies with outstretched paws on the ice and delivers a blow to the head when the whale surfaces within range? In this region of the Canadian Arctic Archipelago, beluga generally change colour from grey to white at around 375 cm. in length.3 Assuming the two white-coloured beluga were around 400 cm. in length, their weight is calculated to be about 935 kilograms4; the grey-coloured sub-adult measured 275 cm. and had a computed weight of 350 kilograms. There appears no reason to doubt that the hunter reporting this event had, as he believed, discovered the beluga shortly after they were caught in March, nor that the tracks of the medium-sized female bear near the carcasses at that time were those of the predator. According to the description given, such a bear would weigh in the range of 130 to 180 kilograms, or about one-fifth the probable weight of each adult beluga it had successfully killed and removed from the water. The only other eports on bears killing beluga I can find in the literature appear contradictory. One asserts that, in the Baffin Bay region, at small openings in the ice where whales are sometimes trapped in winter, “a small flock of bears will congregate and kill a small whale, which they will then drag up on to the ice and eat”5. The other commentary, relating to the Eurasian arctic, suggests that attacks on beluga by single bears are quite frequent, and that when a bear discovers a pod of trapped whales it remains nearby and successively kills them (up to 13 are reliably reportedz). This present report of a multiple killing by a solitary bear, substantiated by direct inspection shortly after the event, establishes that there is no difference between Eurasian and North American polar bears in regard to this predatory behaviour. 

file:///C:/Users/Great%20Bear/Downloads/65963-Article%20Text-186596-1-10-20101116.pdf
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