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Bear Anatomy

Venezuela epaiva Offline
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#46
( This post was last modified: 07-25-2017, 08:44 AM by epaiva )

Sun Bear Skeleton courtesy of Yorkshire Skeleton Museum


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*This image is copyright of its original author

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Venezuela epaiva Offline
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#47
( This post was last modified: 08-26-2017, 04:05 AM by epaiva )

Kodiak Bear in Museo de Ciencias en Caracas, Venezuela


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Venezuela epaiva Offline
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#48
( This post was last modified: 09-12-2017, 10:00 PM by epaiva )

Kodiak Bear
credit to @jamesonbevans
The information attached says that it is a World Record Kodiak Bear 31 inch skull, I asked Jameson Lance Bevans if he knew all its measurements but sadly he never responded. It says that it is in Alaska Airlines - Ted Stevens - Anchorage


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India brotherbear Offline
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#49

(11-22-2016, 11:45 PM)Polar Wrote: Just as I expected, Agriotherium's bite force is approximately 14.4 times its own weight, but even with this chart, I still have trouble believing that a polar bear has a lower bite than a brown bear at parity.

Consider that these bears might not be trying their fullest potential, as with many other bite force charts.

https://synapsida.blogspot.com/2010/11/p...-bite.html  
 
Some recent stress analyses using the sort of computer models normally used in engineering design have shown that while the jaw muscles of polar bears are just as strong as those of normal bears, the skull itself is less able to take up the strain of a powerful bite. Granted, that's assuming the computer models are right, but even so, it does seem a bit odd. Similarly, while they do have less premolar teeth than many other bears (a feature they share with cats, for example), the teeth overall seem somewhat weaker than one would expect for a purely carnivorous animal.

One reason may be what the polar bears are eating. Their diet consists almost entirely of seals, which, unlike the antelopes eaten by lions, have a lot of soft blubber. If their food is less tough than the meat favoured by other hypercarnivores, they don't need such strong jaws, and the evolutionary change required to adapt to that diet may be less than it first appears. It may also help that, while animals like leopards and wolves regularly take down prey  larger than themselves, polar bears obviously don't. Seals just don't get that big!
There is, however, a clear downside to this rapid evolution and specialization.
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India brotherbear Offline
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#50

*I would love to see some class-A information being posted on this topic - like from Peter, Guate Gojira, Tigerluver, Apollo, Grizzly Claws and others who can add some real quality information.  Cool
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India brotherbear Offline
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#51
( This post was last modified: 01-05-2018, 05:20 PM by brotherbear )

About bear bite-force. Remember that the bears who have ( pound-for-pound ) the strongest bite are primarily vegetarian - the giant panda, sun bear, and ( if I remember correctly ) the Andean bear. The grizzly ( pound-for-pound ) comes in at fourth place. The sloth bear, which feeds on brood insects and soft fruits, comes in at last. Because of his size, the grizzly has the strongest bite of living bears. 
I wonder if the European cave bear, Ursus spelaeus, has ever been studied for bite force?
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India brotherbear Offline
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#52

Grizzly ( Kodiak bear ) Foot: 
                                         
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India brotherbear Offline
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#53

Grizzly Skull: 
                   
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India brotherbear Offline
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#54

Grizzly Physique: 
                           
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India brotherbear Offline
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#55

https://tailandfur.com/wp-content/upload...orld-2.jpg 
 

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India brotherbear Offline
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#56

Among large carnivores and some herbivores or other omnivores, the bears do not have the strongest bit force; but a powerful bite never-the-less. A grizzly often kills with a bite to the spine of his prey or opponent.
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Venezuela epaiva Offline
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#57
( This post was last modified: 04-20-2018, 06:11 PM by epaiva )

Polar Bear skull
41,91 cm long
21,59 cm wide
Credit to @natural_selections

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Canada GrizzlyClaws Offline
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#58

(04-20-2018, 06:10 PM)epaiva Wrote: Polar Bear skull
41,91 cm long
21,59 cm wide
Credit to @natural_selections

*This image is copyright of its original author


Pretty average for the male Polar bears.
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Argentina Tshokwane Away
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#59

Found this one today. I don't know how legit it is, but I love the Grizzly's claw, it's massive.


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Venezuela epaiva Offline
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#60

(04-30-2018, 01:29 AM)Tshokwane Wrote: Found this one today. I don't know how legit it is, but I love the Grizzly's claw, it's massive.


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They are all bone clones replicas
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