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Camera-trap survey confirms the melanistic leopard cat Prionailurus bengalensis in the Sundarban Biosphere Reserve

Published online by Cambridge University Press:  29 September 2025

Rajendra Jakher ,
S. Jones Justin  and
Debojyoty Ghosh Open the ORCID record for Debojyoty Ghosh [Opens in a new window]
Rajendra Jakher
Affiliation:
Sundarban Tiger Reserve, Canning Town, West Bengal, India
S. Jones Justin
Affiliation:
Sundarban Tiger Reserve, Canning Town, West Bengal, India
Debojyoty Ghosh*
Affiliation:
Sundarban Tiger Reserve, Canning Town, West Bengal, India
*
(strresearchrange@gmail.com)
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Type
Conservation News
Information
Oryx , First View , pp. 1
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence CC BY 4.0.
Copyright
© The Author(s), 2025. Published by Cambridge University Press on behalf of Fauna & Flora International

The Sundarbans, the world’s largest mangrove delta, is home not only to the Royal Bengal tiger Panthera tigris tigris but also to other felids. Every year, camera traps are installed throughout the Indian Sundarbans to estimate the tiger population following the standard protocol of the National Tiger Conservation Authority. In the most recent survey, infrared and visible range cameras were installed during November 2024–January 2025, the period that offers the best conditions for fieldwork because of the comparatively lower tidal range at this time. Felids such as the leopard cat Prionailurus bengalensis, fishing cat Prionailurus viverrinus and jungle cat Felis chaus were also captured by the cameras. Here we report the discovery of the rare melanistic morph of the leopard cat from the Indian Sundarbans (the non-melanistic form of the leopard cat has been recorded from both the Indian and Bangladeshi Sundarbans).

Although the leopard cat is threatened by habitat loss, its adaptability helps it persist and it is categorized as Least Concern on the IUCN Red List. It is protected under Schedule 1 of the Indian Wild Life (Protection) Act, 1972. In analysis of the camera-trap data, images of melanistic leopard cats were recorded from six locations in the Dhulibhasani, Herobhanga and Ajmalmari compartments of the Raidighi Range in 24 Parganas (South) division. Herobhanga is 250 m from the inhabited mainland, Ajmalmari 8 km and Dhulibhasani 11 km, suggesting a wide distribution of the melanistic form. The times of the photographs (19.00–3.00) indicate nocturnal activity, aligning with the known behavior of leopard cats, which are typically solitary, nocturnal hunters. This is the first photographic documentation of melanistic leopard cats in the Sundarban Biosphere Reserve, and we hope further research will enrich knowledge of their ecology, range and behavioural patterns in the Sundarbans.

We thank Debal Ray IFS, PCCF (Head of Forest Force), West Bengal, Nilanjan Mallick IFS, Director Sundarban Biosphere Reserve and Nisha Goswami IFS, Divisional Forest Officer, 24 Pgs (South) forest division, for their support, and we acknowledge the efforts of the field staff and research team of the Sundarban Tiger Reserve.

Melanistic leopard cat captured by camera trap in the Indian Sundarbans.