IUCN threat status:

Least Concern (LC)

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The twin-spotted tree frog (Rhacophorus bipunctatus Ahl, 1927) is a species in the moss frog family (Rhacophoridae).  It occurs in the eastern Himalayans of India, Bangladesh, southeastern China, Myanmar and possibly south to Malaysia mostly between 1000-2000 meters in altitude.

This species has a complex and confusing taxonomy as a large number of closely related and similar-looking species exist, some in overlapping ranges.  Due to the identification problems surrounding this species, the eastern and southern limits of its range require more work to fully determine.  Recent work has synonymized R. maculatus, bimaculatus and htunwini into R. bipunctatus and removed R. rhodopus from synonymy as proposed by Inger et al. 1999 (Bordoloi et al. 2007; Frost 2016; Yu et al. 2007); however some taxonomic disagreement still exists.

The dorsal side of Rhacophorus bipunctatus is green to brown in color.  Its slightly larger size and coloring distinguish it from the often confused red-brown to yellow R. rhodopus that Bordoloi et al. (2007) separated as a distinct species.  Rhacophorus bipunctatus almost always has one or more black spots on its flanks and its feet have orange webbing without black spots.  A small frog, adults measure 37–60 mm (males smaller than females).  It inhabits subtropical or tropical moist montane forests, high-altitude shrubland, intermittent rivers, freshwater marshes, and also can be found in plantations and rural gardens (Ohler et al. 2008; Wikipedia 2016). 

Rhacophorus bipunctatus is an arboreal species.  Frogs in this genus have extensive webbing between their toes, which allows it to glide from tree to tree.  The adults spawn in bubble nests hung on branches over standing water so hatching tadpoles fall into puddle or stream below to develop (Ohler et al. 2008; Wikipedia 2016).

Rhacophorus bipunctatus is generally common, and considered of least concern by the IUCN.  It frequents human-impacted environments.  In India it is collected for food and medicine (Ohler et al. 2008).


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