Miri is the only female is her social group. She is smaller in size compared to Satu and has shorter hair. She has a light orange wispy beard.
Miri is the biological mother of Satu and Pelari.
Pelari is currently the youngest and smallest member of his social group. He is unflanged but is starting to develop a short, auburn beard.
Pelari is Miri's youngest child and full siblings with Satu.
Satu is the largest orangutan in his social group. He has long, dark auburn hair and distinct flanges (cheek pads).
Satu is Miri's son and full siblings with Pelari.Â
Benny is a fully flanged adult male with a light orange beard. He is the oldest male Sumatran orangutan in the population managed by the Orangutan SSP.
Benny is Pongo's father.
Blaze is the only female in her social group. She is small in size compared to other female orangutans. While her body hair is bright auburn, she has lightly colored facial hair and a strawberry blonde beard.
Blaze is Pongo's biological mother.
Pongo is currently the youngest and smallest member of his social group. He is unflanged but is beginning to develop a short beard.
Pongo is the son of Benny and Blaze.
Madu is a mature female Sumatran orangutan with a very round face accented by a short beard. She is the only adult in her social group.
Madu is the surrogate mother of Remy and Keju.
Remy is a Sumatran orangutan. He is currently unflanged but has started to developed a short beard.
Remy is not biologically related to Madu or Keju.
Keju is a Bornean orangutan. She has sparse hair on the top of her head and has not yet developed a beard.
Keju is not biologically related to Madu or Remy.