A new species of cascade frog discovered from Arunachal Pradesh is named after the original hills and tribes – Times of India

New Delhi: Researchers have discovered a new cascade frog and named it Adi Pahar, home to indigenous tribes, an indigenous group in the Himalayan region of Arunachal Pradesh, India.

A team of Indian and American biologists from the Wildlife Institute of India, University of Delhi (India) and the North Carolina Museum of Natural Sciences (USA) have discovered a new species of cascade frog from the Indian hills. Region Historically, this region was also known as Abar Hills.


The discovery was made when biologists had been searching for a group of medium to large-sized cascade frogs (scientifically included in the Amolop species) from northeast India for the past five years.


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“Cascade frogs” are named because of their preference for cascades in small waterfalls or flowing mountain streams. The Amolop species is a large group of Ranid frogs (family Ranidi) currently known as 73 species which are widely distributed in the Malaya Peninsula through Northeast and North India, Nepal, Bhutan, China, Indochina.

New species were identified on the basis of multiple criteria such as external morphology, DNA and calling pattern. The study resolves the confusion of centuries-old taxonomy, which revolves around the identification of another cascade frog species, the Amlops monticola, which was described 150 years ago from the Sikkim Himalayas.


These discoveries had a significant impact on the classification and geographical distribution of other members of this group found in India and the surrounding areas of China. The results were published in the London Journal of Natural History in a scientific article entitled ‘Description of a new closely related species from Northeast India’, the phylogenetic location of the poorly known Montana cascade frog and a title from Northeast India. Full publication is available at: https://doi.org/10.1080/00222933.2021.1946185

“This study again proves how much is known about the most endangered animal group in northeast India, the frog. Many frogs are known to occur extensively in this area but have relatively small geographical ranges and require special attention to conservation before they become extinct forever. Northeast India is a resource of a species that is still unknown to science, ”said SD Biju, a professor at Delhi University.

Abhijit Das of the Wildlife Institute of India said, “The new species was discovered during the revival of the century-old Adi Expedition in 2018 and was named after the land of the Adi tribe in Arunachal Pradesh where the species lives especially in the post-monsoon season.” , Dehradun.


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