1. Nile crocodile

Nile crocodile (iStock)
Bite force: 5,000psi
Distribution: Sub-Saharan Africa

2. Saltwater crocodile

Saltwater crocodile (Getty Images)
Bite force: 3,700psi
Distribution: India, Southeast Asia, Australia

3. American alligator

American alligator (iStock)
Bite force: 2,125psi

Distribution: Southern USA

4. Hippopotamus

Hippopotamus (iStock)
Bite force: 1,800psi

Distribution: Sub-Saharan Africa

5. Jaguar

Jaguar (iStock)
Bite force: 1,500psi

Distribution: Southwestern USA, Central America, South America

6. Bull shark

Bull shark (iStock)
Bite force: 1,350psi

Distribution: Warm coastal areas, rivers and lakes worldwide

7. Gorilla

Gorilla (iStock)
Bite force: 1,300psi

Distribution: Forests 
of central Africa

8. Polar bear

Polar bear (iStock)
Bite force: 1,200psi

Distribution: Arctic Circle

9. Grizzly bear

Grizzly bear (iStock)
Bite force: 1,160psi

Distribution: Canada 
and USA

10. Hyena

Hyena (iStock)
Bite force: 1,100psi

Distribution: Sub-Saharan Africa