India, Nov. 26 -- Thirteen new bush frog species have been identified in northeast India, in what researchers say is the region's biggest amphibian discovery in over ten years.

Researchers from the Wildlife Institute of India (WII) in Dehradun said that of the 13 species belonging to the genus Raorchestes, six were found in Arunachal Pradesh and three in Meghalaya. One species each was recorded in Assam, Mizoram, Nagaland and Manipur.

The findings, published in the journal Vertebrate Zoology, list the new species as Raorchestes orientalis (suggested common name: Eastern bush frog), Raorchestes mawsynramensis (suggested common name: Mawsynram bush frog), Raorchestes boulengeri (suggested common name: Boulenger's bush frog) and Raorcheste...