Family Toucans (Ramphastidae)

Least Concern

Groove-billed Toucanet (Aulacorhynchus sulcatus)


French: Toucanet à bec sillonné German: Blauzügelarassari Spanish: Tucanete picosurcado

Pteroglossus sulcatus


, 1820,



Usually treated in recent times as conspecific with A. calorhynchus. Recent molecular study indicates that present species and A. derbianus are sister-species, with A. haematopygus sister to both#R. Also closely related to A. prasinus. Two subspecies recognized.

Subspecies and Distribution
  • A. s. sulcatus (Swainson, 1820) – N Venezuela (Falcón E to Miranda).
  • A. s. erythrognathus Gould, 1874 – NE Venezuelan mountains.
  • Descriptive notes

    33–37 cm; 131–200 g. Typical green toucanet, white-throated, with blue about rear of eye, undertail-coverts green-yellow, bill flat at base of culmen, grooved... read more


    Song of barking-growling notes or croaks, vary in quality, “wik-wik-” to “waak-... read more


    Humid montane forest, from upper tropical to edge of temperate forest, also second growth, forest... read more

    Food and feeding

    Fruits, insects, eggs and young of birds; few data, but reported as frequently raiding nests of birds, and as omnivorous. Forages from... read more


    Specimens indicate breeding Mar–Jul, except May–Aug in NE Venezuela, but also reported to breed Feb–May and Oct in Henri... read more


    None specifically reported, but in Venezuela considered to occasionally wander to drier woodland at... read more

    Status and conservation

    Not globally threatened. No detailed information available on numbers, but species appears to be common generally in suitable habitat, e.g. in El Ávila and Henri... read more

    Recommended citation

    Short, L.L. & Kirwan, G.M. (2020). Groove-billed Toucanet (Aulacorhynchus sulcatus). 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 25 February 2020).