This photo taken on June 9, 2026 shows ranger Hou Sophoan looking up as he listens to animal sounds in the Cardamom National Park in Koh Kong province. Above the patter of rain cascading through the jungle canopy comes the haunting call of a pileated gibbon singing to fend off intruders in Cambodia's Cardamom Mountains. (Photo by TANG CHHIN Sothy / AFP via Getty Images) / To go with 'CAMBODIA-CONSERVATION-ENVIRONMENT-ANIMAL-SCIENCE-FORESTS,FOCUS' by Sara HUSSEIN and Suy SE