Crocodiles no sex chromosomes and the sex is determined from the temperature during gestation. Males are produced at 31.6 °C and females from temperatures above and below.
Like pigeons crocs may have a “homing instinct”. Australian saltwater crocs have been seen to travel 400 kilometers back to the point of capture after being relocated and within just 3 weeks.
Crocs are more aggressive during the mating season. So don’t piss off a horny crocodile.
Each of a crocodile’s jaws contain 24 sharp teeth. These are to grasp and crush the pray. Crocs don’t chew before they swallow.
