The anteater, on the other hand, is one mammal with virtually no bite force. In fact, it can barely move its jaws at all! Anteaters collect ants and other foods by extending a long tongue and drawing it back into their mouths.
American Alligators have a bite force of about 2125 PSI. And the strongest known bite force of the entire animal kingdom is…. The Crocodile -- specifically, the Saltwater Crocodile (the highest recorded “live” bite of 3700 PSI) and the Nile Crocodile (estimated 4000-5000 PSI)!
Gorilla (1,300psi)
Despite their powerful bite, gorillas are largely vegetarian. They use their powerful jaws to strip bark, first from the tree, then for trees like the Milicia, to separate the outer bark (which is discarded) from the sweet inner bark.
That bites: While humans may bite into a steak with 150-200 psi, a tiger's bite force generates around 1,000 psi!
Tigers have a stronger bite than wolves as well as longer claws and teeth. Although they are both apex predators in their given ranges, tigers are found in much smaller numbers than wolves in the wild.
Their bites can afford to be “weak”; lions kill their prey by crushing the throat, not by the sheer force of their attack. For that, 650 psi is more than enough “bite.” Update: Recent research has shown the bite force of lions may be more than originally thought – closer to 1,000 psi.
However, if it comes down to one-on-one combat, the polar bear will have a huge advantage over the gorilla. A polar bear's jaw can exert up to 1,200 pounds of pressure per square inch which is twice that of the silverback gorilla.
The results revealed that human skulls, far from being weak, are quite tough and unusually efficient for their size. Our second molars can exert a bite force between 1,100 and 1,300 Newtons, beating the orang-utan, gibbon and Australopithecus but lagging behind the gorilla, chimp and Paranthropus.
Polar Bears have the strongest bite force of all bears, with a bite force of 1200 PSI. The Grizzly Bear comes in a close second with a bite force of about 1160 PSI.
Computers don't lie: T. Rex was shown to have a bite force of over 10,000 pounds per square inch, enough to bite through the head and frill of an adult Triceratops or even (just possibly) penetrate the armor of a full-grown Ankylosaurus.
Megalodon jaws
Humans have been measured with a bite force of around 1,317 Newtons (N), while great white sharks have been predicted to be able to bite down with a force of 18,216N. Researchers have estimated that megalodon had a bite of between 108,514 and 182,201N.
Adult gray wolves have an impressive set of teeth, and their jaws are incred- ibly strong. A human's bite force is only about 120 pounds per square inch, and a large domestic dog's is about 320 pounds per square inch—but the bite force of a wolf is almost 400 pounds of pressure per square inch!
A dung beetle is not only the world's strongest insect but also the strongest animal on the planet compared to body weight. They can pull 1,141 times their own body weight. This is the equivalent of an average person pulling six double-decker buses full of people.
Grizzly Bears have 20 claws, several inches in length, one on each toe of their four feet. Silverback Gorillas have nails on their fingers and toes like humans. The grizzly would more than likely win in a fight against a Silverback gorilla.
Hand injuries from human bites can result in lacerations and injuries to the bones, joints, ligaments, tendons, nerves, blood vessels, and muscles. Human bites are more dangerous than animal bites because they transmit higher concentrations of infectious bacteria. Human bites require prompt medical attention.
Strength changes
Compared to our closest living relatives, chimpanzees and bonobos, Homo sapiens' skeletal muscle is on average about 1.35 to 1.5 times weaker when normalized for size.
In reality: Yes, you probably can devour a finger, but it's not comparable to chomping on a vegetable, and gnawing on your own digit would require a substantial commitment to searing pain.
A tiger would kill a gorilla in a fight. If a tiger managed to ambush a gorilla, the tiger would immediately kill it. Although the gorilla is strong, the fact is that it could not stop 600 pounds of charging muscle and teeth.
Gorillas are strong and powerful animals. They are known to be able to fight off lions and other large predators.
A gorilla would win in a fight against an orangutan. Gorillas are far better fighters and far more capable of inflicting fatal trauma on enemies. An orangutan might escape a gorilla by climbing trees, but that is not going to defeat the gorilla.
Lion (650 psi)
At approximately 650 pounds per square inch, the lion's bite is relatively weak compared to that of other big cats. In our nightmares, being attacked by a lion may be all about being pounced on and torn to ribbons with flying claws and rending teeth.
Bull shark. Research has revealed that bull sharks bite with almost 6,000N, a force that is greater than what is required to kill and eat prey.
They conclude that while one on one, a tiger would certainly best a lion, in the wild the lion pride could hold their own against the solitary tiger.
Their teeth and bite help them hunt their prey and rip into the animals they kill. Wolves' jaws are strong enough to crush bones.