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Post by King Kodiak on Oct 16, 2019 17:46:44 GMT -5
Do you think the wolves could have killed the bear in that video? Well, 5 wolves vs 1 female brown bear, yeah, if they would attack yes, but like always, they dont attack, thats the problem.
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Post by King Kodiak on Oct 16, 2019 17:50:51 GMT -5
Yeah that was weird, that account was funny. I dont know why the bear killed that wolf if he liked him.
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Post by BruteStrength on Oct 16, 2019 19:09:41 GMT -5
Yeah that was weird, that account was funny. I dont know why the bear killed that wolf if he liked him. Ha Ha. I don't know but reading that report just sound funny.
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Post by OldGreenGrolar on Oct 16, 2019 23:20:50 GMT -5
Bears only 'like' wolves for two reasons: To bully or to rob them of their food.
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Post by brobear on Oct 26, 2019 2:55:08 GMT -5
In Russia, a tiger will kill wolves to eliminate the competition. But a grizzly eats better when there are wolves and other skillful predators within his domain.
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Post by King Kodiak on Nov 6, 2019 20:55:40 GMT -5
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Post by brobear on Nov 14, 2019 10:49:36 GMT -5
The Bear Almanac - Second Edition:
Wolf-bear relationships have been considered neutral, with only occasional conflicts that are based on defense of home site, food, or young by each species. A wolf and a grizzly bear have fed side by side on a caribou carcass, while at other times a grizzly has fought off a pack of wolves to defend its food, and they each have killed the other.
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Post by brobear on Nov 14, 2019 10:50:04 GMT -5
The Grizzly Almanac:
In their endless pursuit of food, grizzlies often compete with the only other widely ranging carnivores on the continent, the wolf and the cougar. Interesting observations on this topic have been recorded by Steve French. While French was a surgical resident at the University of Utah in the late 1970s, he participated in the surgical work on a biologist who had been mauled by a grizzly at Yellowstone. The incident ignited his interest, and French has been researching the big bear ever since. He once monitored 113 cougar kills in Glacier and Yellowstone National Parks and found that grizzlies visited about a quarter of the cougar kills, robbing cougars of up to 26% of their food. There are also many reports of grizzlies stealing food from wolf packs and of single grizzlies successfully defending their own food from a pack of wolves. In 1996, French watched one 350 pound ( 159 kg ) grizzly chase nine wolves off an elk carcass and take possession of the prize. Sometimes, however, the relationship between the two species is more amicable. French once watched two yearling grizzly cubs and three yearling wolf cubs playing together while the parents watched, with no aggression from any party. Two of the young wolves even traveled and hunted with the bears for two days, proving that tolerance between species is possible, even in the vicious world of the predator.
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Post by brobear on Nov 14, 2019 10:50:40 GMT -5
Bears by Richard Perry:
At some time in the distant past, however, bears must have been preyed upon by some dog-like carnivore, for all bears are inherently afraid of dogs, and a couple of terriers will put a grizzly to flight. It is significant that when a grizzly is travelling he still has the habit of circling back off the trail at intervals, in order to get to windward of his own back tracks. He may indeed make a detour of as much as a mile, and then stand quietly for some time, taking stock. But few bears have any present cause to fear dogs or wolves, though no doubt that scourge of Asian jungles, the hunting pack of wild dogs, occasionally tear sloth bears and sun bears to pieces, as they do tigers. Russian brown bears are occasionally attacked by wolves ( and are also driven from carrion by that ferocious killer whom the largest carnivores fear, the wolverine. )One of the large polar wolves may kill a polar bear cub when its mother is away hunting, and a small pack of them may harry a he-bear into abandoning his seal kill. But, There are no records of adult polar bears or grizzlies being killed by wolves, though a hunter described to Dufresne a unique encounter between wolves and grizzlies he witnessed at Mt. McKinley National Park, when he was watching a den where a small grey she-wolf had her cubs. The wolves had buried a number of game carcasses near the den, and the smell of these attracted a she-bear and her three hundred pound yearlings. One of the latter sniffed to within thirty feet of the den, outside which the she-wolf and three cubs of the previous year's litter were crouched, and seizing the carcass of a caribou, began dragging it down the hill. At this, all four wolves set upon the young bear, and subsequently upon the she-bear when she came roaring to the defense of her cub. The bears eventually fought their way clear to a nearby knoll, and that might have been the end of the affair, had not another of the yearlings smelled out a second buried carcass. In the meantime the large black male wolf had returned from hunting; and he, after touching noses briefly with his mate, launched himself against the she-bear, while the other wolves renewed their attacks on the young bears, particularly on the smallest, who was weakening. On becoming aware of the plight of the latter, the she-bear broke away from the male wolf and, roaring hideously and laying about her with swinging paws and snapping fangs, drove the three cubs down into a patch of thick brush and through it into a glacial stream. There the small one, lame and dripping blood, lay down up to its neck, while the other three backed into the water until the wolves were out of their depth and broke off the engagement.
Spotlight = There are no records of adult polar bears or grizzlies being killed by wolves.
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Post by King Kodiak on Nov 14, 2019 20:40:56 GMT -5
"robbing cougars of up to 26% of their food."
What can i say? Poor Cougars.
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Post by King Kodiak on Nov 24, 2019 23:02:28 GMT -5
Grizzly Bear, Ursus arctos, usurps Bison calf, Bison bison, captured by Wolves, Canis lupus, in Yellowstone National Park, Wyoming We describe an adult Grizzly Bear (Ursus arctos) usurping a Bison (Bison bison) calf from a pack of five Wolves (Canis lupus) attempting to kill the Bison in Yellowstone National Park during early spring. Five Wolves grabbed the hind end and neck of the calf while it was trailing behind two adult male Bison. In 3 minutes a Grizzly Bear arrived and displaced the two Wolves attacking the hind end. For 1 minute the Grizzly Bear attacked the rear of the Bison while three Wolves attacked the front end. The Grizzly Bear subsequently pulled the struggling calf from the Wolves and made the kill. The Wolves were unable to displace the Grizzly Bear from the carcass. Our observation demonstrates the capacity for Grizzly Bears to exploit the predatory abilities of Gray Wolves restored to Yellowstone National Park. Kleptoparasitism by Grizzly Bears on Wolf-captured ungulates may be a selective pressure promoting group living in Wolves, and could provide an important new food resource to threatened Grizzly Bears in the Greater Yellowstone Ecosystem. www.google.com/amp/s/www.researchgate.net/publication/286981176_Grizzly_Bear_Ursus_arctos_usurps_Bison_calf_Bison_bison_captured_by_Wolves_Canis_lupus_in_Yellowstone_National_Park_Wyoming/amp
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Post by King Kodiak on Nov 27, 2019 9:02:31 GMT -5
Spanish documentary tells how a brown bear killed and dragged a wolf away
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Post by brobear on Nov 27, 2019 9:14:47 GMT -5
Looks to be some fools got them penned-up together ... probably in hopes of a bloody fight.
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Post by King Kodiak on Nov 27, 2019 16:22:42 GMT -5
Looks to be some fools got them penned-up together ... probably in hopes of a bloody fight. According to the video, its says "Mexican standoff" so maybe its in Mexico. The bear charged and the wolves bolted.
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Post by brobear on Nov 27, 2019 17:15:19 GMT -5
Looks to be some fools got them penned-up together ... probably in hopes of a bloody fight. According to the video, its says "Mexican standoff" so maybe its in Mexico. The bear charged and the wolves bolted.Possibly. But the term "Mexican standoff" is simply an old term merely meaning a standoff. Rather like, "what happens in Vegas stays in Vegas" in which this term is often used in other places.
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Post by King Kodiak on Nov 27, 2019 17:50:27 GMT -5
According to the video, its says "Mexican standoff" so maybe its in Mexico. The bear charged and the wolves bolted. Possibly. But the term "Mexican standoff" is simply an old term merely meaning a standoff. Rather like, "what happens in Vegas stays in Vegas" in which this term is often used in other places. Oh ok i see, its just an old term.
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Post by King Kodiak on Dec 12, 2019 5:48:16 GMT -5
WOLVES INTERACTIONS WITH NON-PREY
COUGARS AND BLACK BEARS ARE ABLE TO OVERPOWER AND EVEN KILL LONE WOLVES.... There is extensive literature documenting gray wolves as the dominant competitor to black bears and cougars, through both interference competition (demonstrated by usurping prey carcasses and direct mortality; Ballard et al. 2003;Kortello et al. 2007;Hebblewhite and Smith 2010;Elbroch et al. 2015b) and exploitation competition (demonstrated by prey switching and spatiotemporal shifts by the subordinate competitors; Kortello et al. 2007;Ruth and Murphy 2010;Bartnick et al. 2013;Elbroch et al. 2015b). Wolves achieve this competitive domi- nance through their social nature, as cougars and black bears are able to overpower and even kill lone wolves (Rogers and Mech 1981;Ballard et al. 2003;Jimenez et al. 2008;Fremmerlid and Latham 2009). Through their capacity to effectively kleptoparisitize cougar kills, black bears have also demonstrated their ranking as a dominant competitor to cougars and can pose significant constraints on cougar fitness ( Murphy et al. 1998;Ruth and Murphy 2010;Elbroch et al. 2015a). GRIZZLY BEARS GENERALLY PREVAILED IN INTERACTIONS WITH WOLVES, EVEN WHEN OUTNUMBERED BY WOLVES... Almost half of the adult elk and all of the bison carcasses seen at site visits for grizzly bears during this study had wolf sign present. Grizzly bears generally prevailed in interactions with wolves, even when outnumbered by wolves (Ballard et al. 2003). Thus, during the active season, wolves may increase the availability of meat to adult grizzly bears, with the exception of females with cubs that are less likely to usurp wolf-killed ungulate carcasses ( Knight 1993, Ballard et al. 2003, Gunther and Smith 2004). ... Full study here : www.google.com/amp/s/www.researchgate.net/publication/275651420_Wolf_interactions_with_non-prey/amp
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Post by brobear on Dec 12, 2019 6:17:28 GMT -5
All this we knew; but nice to have it in writing - and so well put. Nice find King Kodiak.
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Post by King Kodiak on Dec 21, 2019 18:35:24 GMT -5
How Yellowstone Wolves Hunt Revealed in Research Report Yellowstone wolves pick their prey depending on wolf pack size. Small packs attack elk. Larger packs attack bison. Wolf hunting patterns Daniel Stahler and Douglas Smith, courtesy of the Public Library of Science. Above: Behavior of wolves hunting bison: (a) approach, (b) attack-individual, (c, d) capture. “Attacking” is the transition from (a) to (b), and “capturing” is the transition from (b) to (c, d). www.yellowstonepark.com/news/wolves-hunt
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smedz
Ursus abstrusus
Recent Graduate
Posts: 410
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Post by smedz on Dec 25, 2019 21:21:41 GMT -5
sidorovich.blog/2019/07/28/question-of-interspecific-interactions-of-brown-bears-and-wolves/ Question of interspecific interactions of brown bears and wolves In the scientific literature about brown bears Ursus arctos and wolves Canis lupus there is information on the interactions of the species. Nevertheless, facing that denning in wolves is so insufficiently investigated (Sidorovich and Rotenko, 2017, 2019), it is easily believed that possible interference of brown bears towards wolves at denning is unknown still. In Naliboki Forest in north-western Belarus we carried out quite a lot of studies on wolf breeding (Sidorovich and Rotenko, 2017, 2019), but that was mainly in the conditions of absence of brown bears or presence of a few bears in the habitats. Only during the last two years (2018 and 2019) brown bears became more or less common in Naliboki Forest (https://sidorovich.blog/2018/10/07/story-of-the-brown-bear-in-naliboki-forest-and-the-peculiarity-of-the-on-going-recolonizing-of-the-terrain-by-the-species/), and it appeared possible to investigate the interspecific interactions of brown bears and wolves and particularly during denning period in wolves. The first information that was gathered on the question in Naliboki Forest suggested an importance of avoiding of bear aggression by wolves at denning to save pups. On the other hand, bears look like tending to persecute parent wolves at denning as well as try to kill their pups. In this post I just mention about the documentations and observations we (Naust Eco Station and Wild Naliboki) succeeded to get during these two years. Brown bear at wolf den, Naliboki Forest, 2019 In the second half of May 2019 in Naliboki Forest we registered of very plausible killing of wolf pups in den by brown bear. Two brown bears (mating couple) frequently followed the wolf couple at denning, they inspected their dens, and finally the wolf litter has disappeared. Brown bear at wolf den, Naliboki Forest, 2018 Brown bear at wolf den, Naliboki Forest, 2018 In May-June of 2018 in Naliboki Forest again we registered similar behaviour of another adult male bear to another wolf breeders. Brow bear is doing a territorial mark inside wolf family homesite. Below you see the bear claw marks. Naliboki Forest, 2018. Moreover, in July-September of 2018 in Naliboki Forest we documented regular visiting of homesite of another wolf family by another male bear. The bear marked that place a lot in three points. Interestingly, that in May-July of 2019 the bear was present at that place again, but did not mark all the three points, when there was no regular stay of breeding wolves in the place. Father wolf is investigating the bear mark, which is nearby the wolf family location. Naliboki Forest, 2018. Wolf pups at the bear mark. Naliboki Forest, 2018. All these already suggest possible heavy interference between bears and wolves at denning and raising pups in homesites, but still it is a little known about the question.
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