The Papuan olive python is known for its ability to change colors, a trait that adds to its intrigue in the natural world. This species usually presents as olive-green, but it can shift to yellow or black shades, often displaying two colors at once. The reasons behind this color variation are not fully understood, but it may be linked to the snake's response to stress or agitation. This color-changing ability is not unique to the Papuan python; it's a characteristic seen in several other snake species, although the exact biological mechanisms are still a topic of research. Papuan Python vs. Olive Python: What Are the Differences? This tropical serpent, scientifically known as Apodora papuana, belongs to the Pythonidae family, which includes some of the largest snake species in the world. This family is characterized by nonvenomous constrictor snakes that subdue their prey through coiling and suffocation. Unique within the Pythonidae family is the genus Apodora, of which this python is the only species.

This monotypic genus is distinguished by its large, heavy-bodied snakes that are adept at camouflage, thanks to their coloration. Sometimes, this species is also known as the Irian python - a nod to its presence in the regions of Papua and West Papua in Indonesia, which form part of New Guinea. These areas, formerly known collectively as Irian Jaya, were renamed to better recognize and respect the local Indigenous populations and their cultural heritage. It typically has a robust and muscular body, a common trait among pythons. Papuans can reach considerable lengths, with adults growing around 13 feet (4 meters) and some specimens growing even larger. This exceptional length ranks them among the most sizable snakes in their native environment (and some of the biggest snakes on the planet). Larger specimens, especially those with plentiful food resources, can exhibit substantial weight, reflecting their muscular build. The Papuan python has scales with a smooth texture, contributing to its sleek appearance. While it can change color, its coloration is usually close to olive green, which is where it gets its common name.

The shade of green can vary slightly among individuals, ranging from an almost brownish, dark olive hue to a lighter, more vibrant green. Some individuals may have an underside distinctly lighter than the rest of the body. The snake's head is distinctively python-like and somewhat broader than its neck. Its eyes are typically small with vertical pupils, characteristic of nocturnal predators. The python's face may exhibit slightly different coloration, with some individuals showing darker markings around the jaw and near the eyes. As a constrictor, the large snake possesses significant physical strength. This strength is primarily in its body, which it uses to coil around and subdue prey. Unlike venomous snakes, it relies on this physical prowess to hunt. The python's skin is also noteworthy for its sensory capabilities. Like other pythons, it has heat-sally considered relatively inoffensive animals. It typically does not show aggression toward humans unless provoked or threatened. Like many large snakes, they do not need to eat frequently. Their metabolism is slow, allowing them to survive on a meal for weeks or even months before needing to feed again. Their feeding frequency largely depends on the enhance size and availability of prey in their environment. The protein-rich diet derived from their animal prey supports their growth, muscle maintenance and overall health. Papuan Python vs. Olive Python: What Are the Differences? New Guinea's Papuan python and the olive python from Australia have distinct differences in habitat and appearance. The Papuan python, which can grow to an average length of 13 feet (4 meters), is known for its color-changing skin. In contrast, the olive python, also reaching lengths of up to 13 feet, enhance size is characterized by its consistent olive-brown coloration. While the New Guinea python prefers secluded rainforests and grasslands, its similarly hued counterpart adapts to diverse Australian environments like rocky areas and woodlands. The olive python, more widely encountered and with a varied diet, is a popular choice among experienced reptile enthusiasts for its adaptability to captivity. This article was updated in conjunction with AI technology, then fact-checked and edited by a HowStuffWorks editor.