Discovery of New Bush Frog Species

Taxonomic Revision of Bush Frogs in Northeast India

• Research Source: Wildlife Institute of India (WII) based in Dehradun.
• Study Publication: Findings published in Vertebrate Zoology, an international journal.
• New Species Identified: 13 new species of bush frogs have been described.
• Significance: This study marks the highest number of vertebrate species described in a single publication from India in over a decade.

Species Breakdown:

• Arunachal Pradesh: 6 species, including:
  • Eaglenest bush frog
  • Arunachal bush frog
  • Large bush frog
  • Dibang Valley bush frog
  • Pointy-nosed bush frog
  • Eastern bush frog
• Meghalaya: 3 species, including:
  • Narpuh bush frog (Narpuh Wildlife Sanctuary)
  • Mawsynram bush frog (found in Mawsynram, known for heavy rainfall)
  • Boulenger bush frog (named after amphibian expert G.A. Boulenger)
• Assam: 1 species - Barak Valley bush frog (Barail Wildlife Sanctuary).
• Manipur: 1 species - Willong-Khullen bush frog.
• Mizoram: 1 species - Lawngtlai bush frog (Lawngtlai district).
• Nagaland: 1 species - Khonoma bush frog (Khonoma village, community-protected forest).

Research Methodology:

• Integrative approach combining acoustics, genetics, and morphology.
• Utilized large sampling covering 81 localities across 8 states, including 25 protected areas.
• Revised distribution data for known species.

Conservation Impacts:

• Addressed Linnean shortfall: Ensured species are named before potential extinction.
• Addressed Wallacean shortfall: Enhanced understanding of species distribution.
• Addressed Darwinian shortfall: Provided insights into evolutionary relationships among species.

Contextual Notes:

• Prior to this study, 82 species of bush frogs were recorded in India, with only 15 from the northeastern region.
• The study emphasizes the biodiversity found in protected areas, highlighting the ecological importance of these regions for conservation efforts.
• The findings may inform future conservation strategies and policies aimed at protecting amphibian biodiversity in India.

Significance for Biodiversity:

• This research underscores the rich amphibian diversity in Northeast India and the necessity for ongoing documentation and conservation to prevent loss of species and habitats.

Key Performing Authorities:

• Researchers involved: Bitupan Boruah and Abhijit Das (WII), V. Deepak (museum collaborator from Germany and the UK).