National GeographicNat Geo Wild


  • Every year the authorities catch roughly two hundred and fifty crocodiles. 

  • A crocodile is so strong that it can propel more than half its body out of the water.

  • There are 23 species of crocodilian.  Only 8 are known to carry out unprovoked attacks on humans.

  • Adult male saltwater crocodiles can reach over 20 feet and weigh a ton. The saltwater crocodile is thought to be the largest living reptile.

  • The crocodile’s high mobility is due to the powerful tail that makes up half of the croc’s body length.

  • Various crocodilian species have been observed “galloping” at speeds of up to 10.6 mph.

  • Crocodilian blood carries more oxygen than that of any other vertebrate, allowing it to stay underwater for up to two hours, or perhaps even longer in cooler conditions.

  • Sensors on a crocodile’s head detect pressure waves caused by prey moving in the water. This gives a crocodile the ability to detect prey, even if its vision is limited.

  • The crocodiles’ eyes, placed high on each side of the head, give them 270 degrees of vision.

  • In 1971, there were fewer than 5,000 Saltwater Crocodiles left in the Northern Territory in Australia, now there are an estimated 75,000 to 100,000.

  • There are now 2,000 crocodiles in Florida. That number has grown from only a few hundred back in 1975, when the species was declared endangered.

  • The cooling canal system at Turkey Point Power Plant was highly influential in the recovery of American crocodiles in southern Florida.

  • A crocodile in Australia killed one man and then “treed” that man’s friends for 22 hours.

  • American Crocodiles have five toes on their front feet and four toes on their back feet.

  • The placement of the eyes and nostrils on the crocodile’s head allows it to be almost completely submerged while allowing it to effectively hunt with only the top of its head above the water.

  • Crocodiles’ eyes have a layer behind their retinas that double light sensitivity at night.