22 Amazing and Awesome Crocodile Facts | Amazing Facts 4U
- Amazingly crocodiles live on Earth for 240 million years. They appeared at the same time when dinosaurs appeared.
- The largest crocodile species is the saltwater crocodile (Crocodylus porosus), encountered from India to northern Australia and Fiji. In can reach 7 m (23 ft) in length and 1 tonne in weight!
- Crocodiles can live up to 80 years!
- The amazing fact is that crocodiles have brains no larger than a cigar .
- A crocodile’s tongue is attached to the roof of its mouth and it can’t stick it out.
- Amazing fact is that crocodile babies don’t have sex chromosomes. Sex of crocodiles is determined by the incubation temperature. Temperatures below 31.7 degrees Celsius ( 89 Degree F) produce females. Any temperature above that, right up until 34.5 degrees Celsius ( 94 Degree F) produce males and then temperatures above 34.5 degrees Celsius ( 94 Degree F) produce female hatchlings once again. Thus there’s only about a 3 degree Celcius range in which males are produced.
- Amazingly crocodiles swallow stones to help them dive deeper and also to ensure faster grinding of the food in their stomach.
- Each crocodile jaw carries 24 sharp teeth meant to grasp and crush. Amazingly crocodiles can’t chew.
- To escape the grip of a crocodile’s jaw, push your thumb into its eyeball . It will amazingly let you go instantly.
- The digestive system of crocodile is amazingly strong that it can digest steel , feather , bone etc.
- Crocodiles can swim at 25 mph just with the help of their powerful tail.
- The eyes, nose and ears are high up on the top of the skull, so that the crocodile can be almost completely submerged, yet amazingly it can still hear, see and breathe.
- The crocodile is surprisingly fast on land. If pursued by a crocodile, you should run in a zigzag motion since the crocodile can’t change direction suddenly. The fastest Crocodile can run at speed of 28 miles an hour which is equal to a fastest man.
- Many times crocodiles stay on the river banks mouth wide open. Fact is that it isn’t an aggressive posture, but a way to cool off. They sweat through the mouth as they don’t have sweat glands.
- If you turn on a lantern at night in waters populated by crocodiles, you will amazingly see pairs of shiny red dots. These are the crocodiles’ eyes which have a layer called tapetum behind their retina, containing crystals that reflect light and make possible the night vision.
- Amazingly 99% of the crocodile offspring are eaten in the first year of life by other predators including other crocodiles.
- The muscles that close a crocodile’s jaws are capable of generating enormous power, yet the muscles that open the jaws have amazingly little strength. Even a thick rubber band around the snout of a crocodile is sufficient to prevent it from opening its mouth.
- Crocodiles and alligators are not the same. Crocodiles are larger, have V-shaped jaw and some of their teeth can be seen even when the jaw is fully closed. Alligators are smaller, they have U-shaped jaw and their teeth are not visible when jaws are closed. Alligator lives in freshwater environments while crocodiles can handle salty environments.
- Alligator and crocodile teeth are hollow. The new tooth grows inside the old one in order to be ready once the old tooth is lost.
- Amazing fact is that an alligator has 80 teeth in it’s mouth at one time. It can go through 3000 teeth in a lifetime.
- An alligator cannot move its tongue, and must raise its head to swallow.
- Alligators can go without food for up to 3 years! Their brain weighs only 8 or 9 grams, which means it can fit in half a tablespoon!
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