There have been other documented cases of animals apparently using medicine, such as chimpanzees applying crushed insects to ...

They eat forest foods, leaves and fruits ... of losing these orangutans is that they are huge seed dispersers. Sumatran orangutans are frugivores, or animals that feed on fruit.

Sumatran orangutans are listed as critically endangered ... Babies will nurse from their mothers for up to 6 years, but can start eating solid foods at 4 months old. Offspring will stay with ...

A new study of wild Sumatran orangutans by researchers at the Max Planck Institute of Animal Behavior (MPI-AB) has found that ...

Sumatran orangutans are listed as critically endangered ... Babies will nurse from their mothers for up to 6 years, but can start eating solid foods at 4 months old. Offspring will stay with ...

Sumatran orangutan mothers display unique, consistent parenting behaviors. Researchers find varied maternal styles across ...

The gorillas also eat three other plants that are utilized ... Isabelle Laumer and colleagues reported their observation of a wild male Sumatran orangutan applying sap from a climbing plant ...

On March 10, Labu, a Sumatran orangutan, arrived at the San Diego Zoo from the Fresno Chaffee Zoo as part of the Species Survival Plan Program, according to an April 22 news release. He can be ...