Family Trogons (Trogonidae)

Near Threatened

Red-naped Trogon (Harpactes kasumba)


French: Trogon à nuque rouge German: Rotnackentrogon Spanish: Trogón kasumba

Trogon Kasumba


, 1822,



Two subspecies recognized.

Subspecies and Distribution
  • H. k. kasumba (Raffles, 1822) – extreme S peninsular Thailand, Peninsular Malaysia and Sumatra.
  • H. k. impavidus (Chasen & Kloss, 1931) – Borneo.
  • Descriptive notes

    32–34 cm; 72 g. Male nominate race with black head and upper breast, blue bill and orbital ring, red nuchal band meeting broad cobalt-blue facial skin, white breastline... read more


    Subdued but rather harsh, evenly pitched “kau, kau, kau, kau” of 3–6 notes, lower... read more


    Middle to upper storeys of chiefly primary but also logged evergreen forest, in lowlands and... read more

    Food and feeding

    Poorly known. One stomach held spiders, others stick-insects. Often associates with mixed-species flocks.


    Nest in Peninsular Malaysia in Jul; females in breeding condition in Feb and May; recently fledged bird in Jun in Borneo. One nest in... read more


    Apparently sedentary.

    Status and conservation

    Not globally threatened. Currently considered Near-threatened. Rare and now threatened by habitat loss in peninsular Thailand, where known for certain from only a single area... read more

    Recommended citation

    Collar, N. (2019). Red-naped Trogon (Harpactes kasumba). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 21 July 2019).