格氏貂（Martes gwatkinsii）是唯一生活在南印度的貂。牠們分佈在尼爾吉里丘陵及西高止山脈。
格氏貂與黃喉貂相似，但體型較大，其前額亦明顯凹陷。牠們背部深色，喉嚨呈黃色至橙色。牠們體長55-65厘米，尾巴長40-45厘米，重2.1公斤。
對於格氏貂所知很少。牠們是日間活動的，棲於樹上，有時也會落到地下。有指牠們吃鳥類、細小的哺乳動物及昆蟲。[6]
Christopher, G. & Jayson, E.A. Sightings of Nilgiri marten (Martes gwatkinsii Horsfield) at Peppara Wildlife Sanctuary and Silent Valley National Park, Kerala, India. Small Carnivore Conservation. 1996, 15: 3–4.
Madhusudan, M.D. Sighting of the Nilgiri marten (Martes gwatkinsii) at Eravikulam National Park, Kerala, India. Small Carnivore Conservation. 1995, 13: 6–7.
Gokula, V. & Ramachandran, N.K. A record of the Nilgiri marten (Martes gwatkinsii Horsfield). J. Bombay nat. Hist. Soc. 1996, 93: 82.
Muduppa, D. Lesser known carnivores of the Western Ghats IN ENVIS Bulletin : Wildlife, Protected areas: Mustelids, Viverrids and Herpestides of India. Wildlife Institute of India, Dehra Dun. 1999, 2 (2): 65–70.
Hutton, A.F. Feeding habits of the Nilgiri marten. J. Bombay nat. Hist. Soc. 1944, 48: 374–375.
