Published on: January 4, 2023

Biodiversity richness of Kerala

Biodiversity richness of Kerala

Why in news? An invertebrate survey undertaken in the Thiruvananthapuram Wildlife Division has reaffirmed the relevance of the region as a biodiversity hotspot.


  • Survey of the invertebrates of Neyyar and Peppara wildlife sanctuaries and the Agasthyavanam Biological Park with emphasis on arachnids
  • Jointly conducted by the Forest Department and the Travancore Nature History Society (TNHS)
  • Many interesting species, including tarantulas like Haploclastus and Poecilotheria species, were among those that were documented.
  • The butterfly diversity of the Thiruvananthapuram wildlife division was updated with species such as Common onyx and Palni fritillary which were hitherto unseen in the Agasthyamala region.
  • The survey recorded endemic species such as Euphaea cardinalis and Euphaea fraseri to western ghats

Neyyar Wildlife Sanctuary

  • Location: Thiruvananthapuram District, Kerala, India
  • Part of the Agasthyamala Biosphere Reserve.
  • River : Neyyar River and its tributaries – Mullayar and Kallar.

Flora and fauna:

  • Tiger, leopard, sloth bear, elephant, sambar, barking deer, bonnet macaque, Nilgiri langur and Nilgiri tahr.
  • The Crocodile Rehabilitation and Research Centre was inaugurated at Sanctuary
  • Neyyar Elephant Rehabilitation Centre complex within the area cares for several elephants
  • There is also a deer rehabilitation

Peppara Wildlife Sanctuary

  • Location: Thiruvananthapuram district, Kerala, India
  • River : Karamana River, which originates from Chemmunjimottai, the tallest hill within the sanctuary.
  • Sanctuary is named after the Peppara Dam, to augment the drinking water for Thiruvananthapuram city and suburban areas.
  • Vegetation : Tropical moist evergreen forests and myristica swamps.
  • Part of the Agasthyamala Biosphere Reserve.
  • Common tree species are Terminalia paniculata(tree native to southwest India)