sentences:  In both populations, the mother stays near the nest during the incubation period, which lasts about 80 days.When the eggs start to hatch, the emerging young are quite vocal, and both male and female crocodiles have been observed transporting hatching and newly hatched young to open water, carrying them delicately in their mouths.Newly hatched New Guinea crocodiles feed on aquatic insects, spiders, tadpoles, freshwater snails, frogs, fish and small mammals.