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Amphibia > Anura > Rhacophoridae > Raorchestes

Raorchestes nerostagona (Biju & Bossuyt, 2009) – Water Drop Frog

Taxonomic Notes:

This is also known as the Kalpatta Yellow Bush Frog.

Early Stages:
Indian and global distribution:
records (based on images):
Sexual, seasonal & individual variation:
Status, Habitat and Habits:

This species is very rare. It inhabits at highest canopy layer in the tropical evergreen forests of the southern Western Ghats of India (mainly in localities of Wayanad district, Kerala), at the elevation of 1,000m asl (IUCN SSC Amphibian Specialist Group).

Conservation Status:

This species is listed as Endangered in the IUCN Red List of Threatened Species (

According to the IUCN Red List assessment, the population of this species is declining, and its current population size is unknown. Its Extent of Occurrence is less than 5,000 sq km with less known localities. The threat to its persistence comes from habitat disturbance due to agriculture and dam buildings.


S.D. Biju, Franky Bossuyt. 2006. Raorchestes nerostagona. The IUCN Red List of Threatened Species 2006: e.T61885A12561567. Accessed on 07 November 2020.

Amphibia > Anura > Rhacophoridae > Raorchestes

Cite this page along with its URL as:
Bhavanarayeni, R. 2023. Raorchestes nerostagona (Biju & Bossuyt, 2009) – Water Drop Frog. Gosavi, N., A. Bayani, P. Roy, and K. Kunte (eds.). Amphibians of India, v. 1.05. Indian Foundation for Butterflies.
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