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+----- Thread: Bear Interactions with Other Predators (/topic-bear-interactions-with-other-predators)
RE: Bear Interactions with Other Predators - brotherbear - 01-24-2016
The Grizzly by Enos A. Mills.
The largest grizzly-track that I have measured was slightly more than thirteen inches long, and seven and one half inches wide at the widest point. These measurements did not include the clawmarks.
RE: Bear Interactions with Other Predators - brotherbear - 01-24-2016
The bite-force of a grizzly is not so powerful as that of a big cat, but powerful never-the-less.
*This image is copyright of its original author
RE: Bear Interactions with Other Predators - brotherbear - 01-29-2016
The Grizzly by Enos A. Mills.
In the grizzly bear we have the leading animal of North America, and one who might well be put at the head of the wild life of the earth. He has brain and brawn. He is self-contained and is prepared for anything. He makes an impressive appearance. He looks capable. He has bulk, agility, strength, endurance, enthusiasm, and curiosity. He is a masterful fighter if forced to defend himself.
RE: Bear Interactions with Other Predators - Polar - 01-29-2016
(01-24-2016, 05:31 PM)brotherbear Wrote: The bite-force of a grizzly is not so powerful as that of a big cat, but powerful never-the-less.
*This image is copyright of its original author
How about the molar bite force? Is it greater in bears than cats at equal weights, or is it opposite? Polar bears having a weaker canine bite force than a brown bear, especially at higher weights just doesn't make sense. In my opinion, at weight parity, polar bears should have higher canine bite forces and brown bears should have higher molar bite forces.
RE: Bear Interactions with Other Predators - brotherbear - 01-29-2016
Man Meets Grizzly by Young and Beyers.
It is the mother bear's responsibility to care for the new generation alone. She will fight and drive away any male bear or other animal that might attempt to molest her or her young ones. A naturalist at Yellowstone Park told me of seeing a male grizzly trying to attack two cubs. The mother drove her cubs up a tree for protection, then fought the male. Whenever he attempted to go up the tree after the cubs, the mother would pull him down.
Occasionally, after the cubs have grown a bit and are able to care somewhat for themselves in the den, she will venture out for short periods. It is then that the fisher ( called the black cat ) will steal into the den and carry off a baby bear. These animals are the principal enemies of the young grizzly. If the mother returns while these pillagers are in the cave or den, she makes quick disposal of them.
When the cubs are about two months old, weighing between ten and twenty pounds, and of a size with a mountain hare, the mother leads them forth to learn the art of making a living. A good teacher but a strict disciplinarian, she teaches her little ones how to play and how to work; how and when to travel and when and where to lie low; what herbs are good and where to find them; how to meet and treat other animals. There is not a more sagacious animal than the grizzly bear, or a more concerned mother. Hard-pressed victims of attack have more than once found occasional to be grateful for this concern, when the mother, in the midst of administering a mauling, pauses in her fury in order to cuff her cubs to keep them out of danger.
RE: Bear Interactions with Other Predators - Pckts - 01-29-2016
(01-29-2016, 03:41 AM)Polar Wrote:(01-24-2016, 05:31 PM)brotherbear Wrote: The bite-force of a grizzly is not so powerful as that of a big cat, but powerful never-the-less.
*This image is copyright of its original author
How about the molar bite force? Is it greater in bears than cats at equal weights, or is it opposite? Polar bears having a weaker canine bite force than a brown bear, especially at higher weights just doesn't make sense. In my opinion, at weight parity, polar bears should have higher canine bite forces and brown bears should have higher molar bite forces.
Why doesn't that make sense?
I haven't taken a good look at the info but Polar bears have sharper canines so they wouldn't need to have a larger bite force IMO.
RE: Bear Interactions with Other Predators - brotherbear - 01-29-2016
Bite force is bite force. Pound for pound, a brown bear has a larger heavier skull than a polar bear. I believe that posters put way too much Emphasis on bite force. Both the polar bear and the grizzly are capable of killing large prey animals or predator rivals with their jaws and teeth. This topic is not about polar bear vs grizzly; but in a confrontation, bite force would certainly play a very minor role.
RE: Bear Interactions with Other Predators - Jimmy - 12-02-2018
a month old video showing a group of brown bears killing a wolf in a Dutch zoo
Quote:graphic content
RE: Bear Interactions with Other Predators - brotherbear - 12-02-2018
Ridiculous IMO to put two predator species together in a confined space. Sure to be trouble.
RE: Bear Interactions with Other Predators - Jimmy - 12-02-2018
(12-02-2018, 03:09 PM)brotherbear Wrote: Ridiculous IMO to put two predator species together in a confined space. Sure to be trouble.
probably they are doing it for some kind of amazement for the visitors, keeping two top predators in one enclosure, it is apparently not so uncommon, another one in Russian zoo
next one
RE: Bear Interactions with Other Predators - Jimmy - 12-02-2018
Just by observing these practice in zoos, Bear and wolf combination seems to be less harsh than lion and hyena, probably a small pack of wolves with only one bear would balance things out-seeing from their point of view regarding interaction. But for people like us who love natural world and animals, do not want these kind of setups which looks like the animals are just tolerating each other, probably always anxious and as a result, accident is waiting to happen.
RE: Bear Interactions with Other Predators - brotherbear - 12-02-2018
(12-02-2018, 07:33 PM)Jimmy Wrote: Just by observing these practice in zoos, Bear and wolf combination seems to be less harsh than lion and hyena, probably a small pack of wolves with only one bear would balance things out-seeing from their point of view regarding interaction. But for people like us who love natural world and animals, do not want these kind of setups which looks like the animals are just tolerating each other, probably always anxious and as a result, accident is waiting to happen.
In the wild, there is rarely a real blood-letting fight. In fact, brown bears actually benefit from the presence of wolves. But in a confined space, well it appears we agree not a great idea.
RE: Bear Interactions with Other Predators - smedz - 01-30-2019
(12-02-2018, 10:35 AM)Jimmy Wrote: a month old video showing a group of brown bears killing a wolf in a Dutch zooLadies and gentlemen, THIS is why you don't put two predators in the same enclosure at a zoo.
Quote:graphic content
RE: Bear Interactions with Other Predators - GreenGrolar - 09-27-2019
This is what happens when a polar bear is put out of its natural environment
*This image is copyright of its original author
This is the same account where Big Bons from AVA said that the polar bear died not because of the wounds inflicted by the tiger but because of overheating out of its natural environment. In the wild the polar bear would have beaten the tiger and lived.
*This image is copyright of its original author
Although this polar bear is one of the largest (that is not in the wild but in captivity). Polar bears don't grow that big in captivity during that time because during the time this newspaper was made. This is not only because the polar bears were out of their natural environment but they were also poorly kept as the Animal Rights Welfare did not exist at that time. Polar bears in captivity today are bigger because they are better kept due to the Animal Rights Welfare and because some are taken out directly from the wild.
http://domainofthebears.proboards.com/thread/59/environment?page=1&scrollTo=19559
P/S: Sorry if I put this in the wrong thread.
RE: Bear Interactions with Other Predators - GreenGrolar - 11-21-2019
*This image is copyright of its original author
I have been studying tiger food habits for the past 14 years and have found several bears killed and eaten by tigers. Some tigers specialize in eating bears and they will kill both Asiatic black bears and LARGER Brown bears. We radio-collared one male tiger who ate bears all summer and lost weight in the winter presumably because he couldn't find his favourite food. Recently, people have been killing bears because of an increased demand for bear feet and gall bladders, and I worry that this will effect tigers as well because bears are an important food source for tigers in summer.
I've seen tigers prey on all shapes and sized of black bears and up to the LARGEST and HEALTHIEST female brown bears.
Found Linda Kerley's email from another forum - originally from Big Bons in the late AVA.
The average female Ussuri brown bear at 416 pounds outweighs the 298 pounds.
According to Linda Kerley, the largest and healthiest female brown bears is what the tigers go for. Therefore larger brown bears refers to females (including large females). Proves tigers avoid male Ussuri brown bears.