Facts about Crocodiles
- 10
Crocodiles possess a specialized valve in their throat called the palatal valve, allowing them to breathe while submerged with only their nostrils above water.
- 09
Crocodilian eyes possess a reflective layer called the tapetum lucidum that amplifies light sensitivity, allowing them to see clearly in near-total darkness.
- 08
In freshwater environments, Nile crocodiles can live 70 to 100 years, with some individuals reaching ages exceeding 60 years in the wild.
- 07
Saltwater crocodiles can grow up to 20 feet long and weigh as much as 2,000 pounds, making them the largest living reptiles on Earth.
- 06
During the dry season, Nile crocodiles can survive up to 3 years without food by entering a state of torpor and dramatically reducing their metabolic rate.
- 05
Over 200 teeth continuously replace throughout a crocodile's lifetime, with new teeth growing in to replace worn ones in a conveyor belt-like system.
- 04
Crocodile eggs incubate for 65 to 85 days, with nest temperature determining whether hatchlings develop as male or female.
- 03
A crocodile's bite force reaches approximately 3,700 pounds per square inch, making it one of the strongest bite forces in the animal kingdom.
- 02
Ancient crocodilians first appeared during the Triassic period approximately 240 million years ago, predating dinosaurs by roughly 50 million years.
- 01
The saltwater crocodile can remain submerged for up to 7 hours while hunting, slowing its heart rate to 3 beats per minute.