hatchlings for this the found 27 nests and taken about 300 baby crocodiles back to the lab. wildlife biologist mike measures their length and inserts a tiny microchip into each tale in order to track them over their lives. >> are not radioactive this question we get a lot. >> they are then released back into the wild. 25 percent of the crocodile population calls this nuclear crocodiles sanctuary home which is perfect for them thanks to the canals, and minimal human encounters. since it is a high-security facility. this right here is an old crocodile nest. you can still see some of the actuals left behind. adult females lay about 30 to 50 eggs every year but most will not end up surviving due to predation by birds, fish and other crocs. >> beside the fact that they