By the Numbers


The Cabang Panti Research station in the heart of Gunung Palung National Park is home to our researchers

The Cabang Panti Research station in the heart of Gunung Palung National Park is home to our researchers

Want to learn more about our research program? Check out these facts!

About Cabang Panti

  • 2,100: Hectares of land in the research site
  • 90,000: Hectares in the Gunung Palung National Park protected area
  • 7: Different habitat types represented
  • 60: Kilometers of trails used for research
  • 2: Research groups (Gunung Palung Orangutan Project, led by Dr. Cheryl Knott, and Gunung Palung Gibbon and Leaf Monkey Ecology Project, led by Dr. Andrew Marshall)
  • 16: Past and present individual research projects

About the Staff

  • 2: Managers
  • 8: Research assistants
  • 2: Research volunteers
  • 2: Graduate students

    Researchers continuously observe and record data on the orangutans throughout the day

    A typical orangutan follow starts before 5:00 am and ends around 5:00 pm, with researchers continuously recording data

  • 1: Cooks
  • 365: Field days per year

Research Milestones

  • 138: Known females (observed over the total lifetime of the Gunung Palung Orangutan Project)
  • 87: Known males
  • 74: Known infants and juveniles
  • 2,500: Approximate population size of orangutans living inside of Gunung Palung National Park
  • 151: Known tree genera identified in Cabang Panti
  • 280: Number of orangutan follows in 2013
  • 2,731: Total follow hours in 2013
  • 311: Hours followed in 2013’s most productive month (November)- that’s 10 hours per day!