Rhacophorus kio is a species of flying frog in the family Rhacophoridae and is found in the rainforests of southeast Asia, in countries such as China, Laos, Thailand, and Vietnam. Its ability to glide and its adhesive toe pads make it well adapted to its habitat of the rainforest. Prior to a 2006 study by Annemarie Ohler and Magali Delorme, R. kio and R. reinwardtii were thought to be the same species. The common name black-webbed treefrog can refer to either species. Compared to other frog species in the area, R. kio not only creates a foam nest that holds their eggs, but also creates a structure with leaves that will wrap around the eggs. While the conservation status of the species is currently classified as of least concern by the IUCN Red List, R. kio faces habitat loss from deforestation to make space for agriculture and other human influences.

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