Orangutans: In the Wild

Jari Manis, an adult male Bornean orangutan (Pongo pygmaeus), eats ginger stems while keeping an eye on the female Marissa he has been following.
A female Bornean Orangutan (Pongo pygmaeus) named Beth moves through the forest carrying her juvenile. Gunung Palung N.P., Borneo, Indonesia
A one year old Bornean Orangutan (Pongo pygmaeus) hangs out with its mother (Beth).
Orangutan female with baby and older juvenile. Gunung Palung N.P., Borneo, Indonesia
A young female orangutan (named Misha) practices building a simple nest in a tree.
Adult male Bornean Orangutan (named Roman) feeding on wild durian fruits.
A pregnant Bornean Orangutan (Pongo pygmaeus) hangs in a tree in Borneo.
An adult male Bornean Orangutan (Pongo pygmaeus) named Jari Manis sits in the sleeping nest he has made in a small tree.
Orangutan researcher Cheryl Knott follows an orangutan through the rain forest of Gunung Palung.
A young orangutan (Pongo pygmaeus) named Misha holds a dead rat by the tail. Orangutans rarely eat meat, so researchers surmised that the youngster was simply curious.
A Bornean orangutan (Pongo pygmaeus) named Beth chews on the fronds of a Pandanus plant
An orangutan (Pongo pygmaeus) named Jari Manis sucks termites from chunks of termite nest he has broken off.
A young orangutan (Pongo pygmaeus) named Misha feeds on tree bark with her upside-down mother, Marissa.
View of the rain forest canopy with sunset lighting up the mist. This forest is home to the orangutans of Gunung Palung National Park, Borneo, Indonesia.
A young male orangutan (Pongo pygmaeus) named Rob feeds on the glossy red fruit of a Baccaurea tree.
Close-up of food typically consumed by orangutans during mast fruiting season, the high-fruit period.
Close-up of food typically consumed by orangutans during low fruit season including leaves, figs, ginger stems, and the inner layer of bark.
A adult male Bornean Orangutan (Pongo pygmaeus) named Roman climbs through a treetop in search of food.
A wire container bearing the bones of an orangutan picked clean by insects is lowered to the ground. This ape, known as Rocky, died from the wounds received during a fight with a rival male. The skeleton will be used for further study.
An orangutan (Pongo pygmaeus) named Rob bares his canine teeth.
The skeletons of two male orangutans are labeled and laid out for study.
An orangutan (Pongo pygmaeus) named Rocky hangs on a branch after being wounded in the shoulder during a fight with another male orangutan.
Orangutan researcher Cheryl Knott collects an orangutan urine sample from a plastic sheet placed beneath an orangutan nest.
Anthropologist Cheryl Knott cleans the skull of an orangutan for study. This ape, known as Rocky, died from the wounds received during a fight with a rival male.
Anthropologist Cheryl Knott checks orangutan urine samples for signs of menstruation, infection, and weight loss. She is using dipstick tests for humans, which work on orangutans.
Anthropologist Cheryl Knott reviews her field notes at her open stilt house in Gunung Palung National Park.