 Conservationists are staying close by, keeping guard, even covering the nest with leaves to camouflage them from predators. Sixty eggs successfully hatched in June. Data shows there are only about a thousand Siamese crocodiles in the world. The Siamese crocodile was considered to be extinct in the wild only a couple of decades ago. He says these hatchlings are significant for the recovery of the species. Lea Mishkin, CBS News, London.