In the Wuzhishan area of Hainan Tropical Rainforest National Park, a pair of light-vented bulbuls are taking turns incubating their eggs. During the incubation period, the male and the female work in shifts, occasionally using their beaks to turn the eggs to ensure even heating. This heartwarming process not only reflects the bird's reproductive behavior, but also the state of harmonious coexistence within the tropical rainforest ecosystem.