WEndotricha convexa is a species of snout moth in the genus Endotricha. It is found in China (Hainan).
WThe Hainan black-crested gibbon or Hainan gibbon, is a species of gibbon found only on Hainan Island, China. It was formerly considered a subspecies of the eastern black crested gibbon from Hòa Bình and Cao Bằng provinces of Vietnam and Jingxi County in Guangxi Zhuang Autonomous Region, China. Molecular data, together with morphology and call differences, suggest it is a separate species. Its habitat consists of broad-leaved forests and semi-deciduous monsoon forests. It feeds on ripe, sugar-rich fruit, such as figs and, at times, leaves, and insects.
WGoniurosaurus hainanensis is a nocturnal species of gecko endemic to China, more specifically the island Hainan. Its common name is the Chinese cave gecko or simply cave gecko.
WThe Hainan gymnure or Hainan moonrat is a species of mammal in the family Erinaceidae. Its natural habitat is subtropical or tropical dry forests. It was thought to be endemic to the island of Hainan, China where it is threatened due to habitat loss, but in 2018 was found to also occur in, and be rather common, within Northern Vietnam.
WThe Hainan hare is a hare endemic to Hainan Island, China. The species was first described by Robert Swinhoe in 1870.
WThe Hainan partridge is a species of bird in the family Phasianidae. It is endemic to Hainan Island, China. Its natural habitats are primary evergreen forests. It is threatened by habitat loss and has been assessed as a vulnerable species.
WPlesiomyzon baotingensis is a species of gastromyzontid loach endemic to Hainan Island, China. It is the only species in its genus. It grows to 3.8 cm (1.5 in) SL.