 Though there is limited knowledge on the Sumatran ground cuckoo itself, it is thought to face many of the same population pressures as the Sumatran elephant, orangutan, rhinoceros, and tiger.Deforestation is the main threat and was found to result in an average 2% loss of forest within Bukit Barisan Selatan National Park, one of the bird's primary refuges, between 1985 and 1999.The park's lower montane forest is usually removed to make way for palm oilplantations; since 2006 Indonesia has been the biggest producer of palm oil and has seen a 400% growth in production between 1994 and 2004.