The Melanistic northern red muntjac (Muntiacus vaginalis) in Nilgiris, Tamil Nadu, India

Authors

  • Karthick Sivaraj Nilgiris Forest Division
  • Shanthakumar Mohan Nilgiris Forest Division
  • Samson Arockianathan Bombay Natural History Society
  • Leona Princy Jabamalainathan Department of Zoology and Wildlife Biology
  • Beulahbah Jesudass 3Department of Zoology and Wildlife Biology, Government Arts College
  • Parihar Sanjay Bombay Natural History Society

DOI:

https://doi.org/10.12933/therya_notes-25-194

Keywords:

Melanism, Northern Red Muntjac, Muntiacus vaginalis, ecological adaptation, pigmentation, Nilgiris, Tamil Nadu, wildlife observation

Abstract

Melanism, the dominance of dark brown eumelanin over pheomelanin, is a rare condition in the Northern Red Muntjac (Muntiacus vaginalis) in India, resulting in a markedly darker pelage. This study reports a rare case of melanism in the Northern Red Muntjac in the Upper Nilgiris, Tamil Nadu. On March 5, 2024, we observed two muntjacs feeding in an invasive species eradication area in Kottagiri, one of which exhibited a distinctive dark brown, nearly black coloration, indicating melanism. This is one of only six recorded instances of melanism in this species in India. The Nilgiris’ high-altitude habitat, with dense vegetation and humid conditions, aligns with environments where other melanistic mammals have been reported, suggesting potential ecological factors at play. Further studies are warranted to explore the ecological and genetic bases of melanism in this species in the Nilgiris.

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Published

2025-05-13

How to Cite

Sivaraj, K., Mohan, S., Arockianathan, S., Jabamalainathan, L. P., Jesudass, B., & Sanjay, P. (2025). The Melanistic northern red muntjac (Muntiacus vaginalis) in Nilgiris, Tamil Nadu, India. Therya Notes, 6(2), 29–33. https://doi.org/10.12933/therya_notes-25-194

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Notes