Bengal Tiger, PSI: 1050
Bengal Tigers are the largest members of the cat family and are renowned for their power and strength. Despite their fearsome reputation, most tigers avoid humans, but the few who do not are responsible for the death of many humans in India, where these tigers live.
Hyena, PSI: 1100
This animal is not that pretty or intimidating but it does have teeth that are designed for eating thick food, grinding and breaking large bones. Their milk contains some of the richest calcium of all predators on earth thanks to the bones they eat.
Polar Bear, PSI: 1235
Polar bears are some of the strongest and toughest mammals in the world and as such they have a very powerful bite force. Their diet consists mainly of seals.
Grizzly Bear, PSI: 1250
The Grizzly bear is a majestic and commanding symbol of wild strength. They are omnivores and have very strong teeth; its incisors are relatively large and its canine teeth are large as well. Unlike most other carnivorous animals, their teeth are adapted for a plant diet.
Bull Shark, PSI: 1250
They have the strongest bite of any fish, but their PSI is only half of the equation; they also have very sharp teeth.
Silverback Gorilla, PSI: 1300
Gorilla teeth are white and large, but they are not very strong; However, their neck and jaw muscles are highly developed, which gives them a strong bite force.
Hippo, PSI: 1821
Hippos might not appear to have a strong bite, but the truth is that these huge animals have very powerful jaw muscles. Although they are herbivores, they have the strongest bite of all mammals.
American Alligator, PSI: 2,125
The American Alligator is the rare success story of an endangered animal that not only saved itself from extinction, but is also one of the fiercest and deadliest predators in the world with the third most powerful bite.
Nile Crocodile, PSI: 5000
The Nile crocodile has a well-deserved reputation as one of the most cruel man-eaters in all of Africa. It is estimated that up to 200 people could die each year in the jaws of a Nile crocodile, which also happens to have the second most powerful bite in the animal kingdom.
Saltwater Crocodile, PSI: 7700
Simply put, the saltwater crocodile is the largest living reptile, as well as the largest land and shore predator in the world. Males of this species can reach up to 22 feet in length and weigh up to 4,400 pounds, and they have the strongest bite ever measured in the animal world. The power of this crocodile when closing its jaws registered a force of. 268 kg per cm2, equivalent to 16469 Newtons of force or the pressure of 251.77 atmospheres.
Something that was surprising is that the researchers assured that the bite of the saltwater crocodile could even rival that of its ancient ancestor and leader in this matter, the T-Rex.