Family Sunbirds (Nectariniidae)

Least Concern

Thick-billed Spiderhunter (Arachnothera crassirostris)


French: Arachnothère à bec épais German: Dickschnabel-Spinnenjäger Spanish: Arañero picogordo

Arachnocestra crassirostris


, 1853,

no locality = Sumatra


Proposed geographical race temmincki, described from Malay Archipelago, considered inadequately differentiated from birds elsewhere in species’ range. Monotypic.


Malay Peninsula (including Singapore), Sumatra and Borneo.

Descriptive notes

16–17 cm; 15·5–16·4 g. Male is dark olive-brown above, with large yellow patch around eye bordered olive below, and dark olive stripe through eye; flight... read more


Hard, nasal “chit chit, chissie-chissie”, also “tch-tch”, also “chek-chek-chek” and variants;... read more


Various types of forest, once mangroves, also plantations, secondary growth, gardens, and among... read more

Food and feeding

Insects, including butterflies (Lepidoptera) and termite alates (Isoptera); nectar, including that from mistletoes (Loranthaceae), ... read more


Laying in late Apr, nestlings early Jun and dependent juvenile early May in Malay Peninsula; males with enlarged testes in Jan in N Borneo... read more


Nothing recorded.

Status and conservation

Not globally threatened. Uncommon in Malay Peninsula and Borneo, and rare in Sumatra. Recently rediscovered in Singapore. Occurs in Khao Pra Bang Wildlife Sanctuary, in... read more

Recommended citation

Cheke, R. & Mann, C. (2019). Thick-billed Spiderhunter (Arachnothera crassirostris). 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 19 September 2019).