... VIII Optimal Life Histories: Modeling the Way Forward. As explained in the reading above, Crocodylus acutus is a member of the Animals which is a Sub-Super group of Unikonta. It has been illegal to kill the Philippines crocodile since 2001 in its natural range. When the eggs hatch in July or early August, the female helps carry her young to the water. Since 2001, killing a Philippines crocodile in its natural range has been illegal, and the penalty is a fine of $2,500. As you work your way back to the left following the red shaded boxes, you are taking the path back through time as you follow the lineage of the American crocodile on a grand scheme of phylogeny. The green tree python lives in Australia and New Guinea, and on the small islands that surround New Guinea. Yet the efforts continue to go on behind the scenes. Today’s crocodile began evolving 80 million years ago, developing the traits that have enabled its survival. In April or May, the female crocodile will build a nest of loose dirt in a mound by the water's edge and lay her eggs. The Philippine crocodile (Crocodylus mindorensis; Schmidt, 1935) is a relatively small freshwater crocodile, endemic to the Philippines. Reproduction. Instead, the temperature around the area will determine what the sex happens to be. Philippine crocodile eggs have shown evidence of temperature-dependent sex determination, meaning the temperature at which the egg incubates determines the sex of the baby crocodile inside. The Philippine crocodile (Crocodylus mindorensis), also known as the Mindoro crocodile, the Philippine freshwater crocodile, the bukarot in Ilocano, and more generally as a buwaya in most Filipino lowland cultures, is one of two species of crocodiles found in the Philippines; the other is the larger saltwater crocodile (Crocodylus porosus). The female lays around 50 eggs in a small nest of decomposing vegetation above … The Philippine crocodile was first described in 1935 by Schmidt, but for decades was considered a subspecies of the New Guinea crocodile. Within reproduction, organisms face a tradeoff between the number and size of offspring they can produce. But, unlike the … Though usually a snake of the trees, the tree python sometimes prowls on the ground as well. As a result those that emerge are usually always only of one sex or the other. After mating, a female crocodile builds a nest where she can incubate and lay her eggs. With the help of over 7,000 of the world’s best wildlife filmmakers and photographers, conservationists and scientists, Arkive.org featured multi-media fact-files for more than 16,000 endangered species. While body armor of bony plates comes to mind, this rough and tough exterior is only the beginning. The mother incubates her eggs for a period of about 90 days, guarding them from predators. The female sexually matures at five years of age and the male seven. In some areas it is considered to be illegal to hunt for crocodile. The penalty is … Lifespan Not enough information is known about this species to determine an average life span, but it is estimated to be between 70 and 80 years. In most instances these laws really aren’t enforced.