rex's bite, the result was “quite surprising,” Bates told us: a maximum bite force of almost 12,800 pounds, about the equivalent of an adult T. rex's body weight (or 13 Steinway Model D concert grand pianos) slamming down on its prey. That would make T. rex the hardest-biting terrestrial animal ever known.
Of all the bites in the animal world, the Tyrannosaurus rex's may be the most famously terrifying. Now, it's also the strongest known to science, according to new research.
And in the case of T. rex, that force was concentrated at the tips of giant, sharp, serrated teeth that enhanced the power of the jaws up to a whopping 431,342 pounds per square inch (psi). That's comparable to 1/128 the estimated pressure at the center of the Earth.
In August 1986, Richard Hofmann (b. 1949) of Lake City, Florida, USA, achieved a bite strength of 442 kg (975 lb) for approximately 2 sec in a research test using a gnathodynamometer at the College of Dentistry, University of Florida, USA.
Godzilla can use his tail as a swinging weapon which trips and stuns foes too close. Godzilla can bite down with a 500k bite force which tears through the bones and flesh of many kaijus it faces.
Scientists measure the amount of pressure exerted by an animal's bite in pounds per square inch (psi). The human bite force is 162 psi. The bite force of some dogs can reach 250 psi, while some bears have a bite force of over 1,000 psi.
Past megalodon research suggests these giant marine predators, which first appeared around 16 million years ago, could chomp with more than three times the force of T. rex, based on the new figures. The bite force of a megalodon—"just because it was so much larger-bodied—would have been bigger," Bates said.
Tseng employed a testing technique that was used in 2010 by researchers who measured the bite force of a much older and smaller dinosaur from the early Cretaceous: a Deinonychus, made famous under a different name — Velociraptor — in the 1993 movie Jurassic Park. Its bite force was between 4,000 and 8,000 newtons.
One particular dino could have withstood gunfire more effectively than others: a tank-like creature called the Ankylosaurus. These massive dinosaurs sported incredibly strong armor — bony plates that covered their backs, skulls, and even their eyes and cheeks.
With a jaw estimated to measure about 9 x 11 feet, scientists have calculated that megalodon's bite force would be about 40,000 pounds per square inch. Compare that to Tyrannosaurus rex, which had a bite force of 12,000 pounds per square inch, and it's clear you've got a mighty bite on your hands.
Giganotosaurus and Tyrannosaurus Rex did not live on the earth at the same time. Giganotosaurus was bigger and faster, but T-Rex had a stronger bite force and more teeth. In a fight between Giganotosaurus and T-Rex, the Tyrannosaurus would win.
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.
It has the strongest bite of any animal. Orcas are the reason why Nile and saltwater crocodiles are combined on this list because their bite force is thought to eclipse all of the other contenders for the strongest bite by such a wide margin. Orcas in captivity have a bite force of around 19,000 psi.
Kodiak bears have a very strong bite that is probably similar to a grizzly bear at 975 PSI, with enough power to break bones. They have teeth that measure 2 inches long or more, enough to puncture deep into prey.
What is the bite force of a Squirrel? Gray squirrels have a bite force of around 7,000 pounds per square inch (psi). For comparison, most humans have a bite force around 500 psi. Like other rodents, squirrels' incisors grow constantly throughout their lives.
Allosaurus had a bite force of about 3,572.56 Newtons, on par with modern mammals like wolves, which is nothing to laugh at, but Allosaurus was about ten times as big as an African Lion.
In Jurassic Park 3, the Spinosaurus easily defeated the T-rex by clenching its neck tightly between its jaws.
What is a Tyrannosaurus rex weakness? Although Tyrannosaurus rex is known for its sharp claws and teeth, this dinosaur also had a few weaknesses. One of them is the presence of extremely short arms, which were too short to be used for eating or grasping items.
The spinosaurus, a dinosaur heavier, bigger and stronger than the T Rex. When compared to the Tyrannosaurus species, the Spinosaurus stood a few meters taller and weighed considerably more.
Deinosuchus (20,000 PSI)
There are no living Deinosuchus specimens to hook up to measuring equipment, but extrapolating from the saltwater crocodile — and examining the shape and orientation of this prehistoric crocodile's skull — paleontologists have arrived at a bite force of a whopping 20,000 pounds per square inch.
Nile crocodile (5,000psi)
Even though Nile crocodiles are smaller than saltwater crocodiles, they come in at the top of the charts for the most powerful bite.
According to various sources, the Cane Corso bite force is estimated to be around 700 pounds per square inch (PSI). In comparison, a lion's bite force is estimated to be around 600 PSI.
Although a silverback gorilla is very fast, quite strong, and has a longer arm span, it is unlikely that a silverback could defeat the much larger and faster grizzly bear in a fair fight.
Black bears, for example, are smaller, lighter, and more easily scared off. Grizzlies, on the other hand, are big and they know it. If you ever find yourself face-to-face with one, don't panic and don't run. As we've said, you can't outrun a grizzly.