Family Vireos (Vireonidae)

Least Concern

Thick-billed Vireo (Vireo crassirostris)


French: Viréo à bec fort German: Dickschnabelvireo Spanish: Vireo piquigrueso

Laniovireo crassirostris

H. Bryant

, 1859,

New Providence, Bahama Islands


Probably closest to V. griseus, and has been treated as conspecific. Race approximans of V. pallens sometimes placed with present species, but is morphologically and vocally distinctive, and may represent a separate species. Five subspecies currently recognized.

Subspecies and Distribution
  • V. c. crassirostris (H. Bryant, 1859) – Bahamas.
  • V. c. stalagmium Buden, 1985 – Caicos Is.
  • V. c. tortugae Richmond, 1917 – Tortuga I, off NW Hispaniola.
  • V. c. cubensis Kirkconnell & Garrido, 2000 – Cayo Paredón Grande, off N Cuba.
  • V. c. alleni Cory, 1886 – Cayman Is.
  • Descriptive notes

    13–14 cm; 10·5–16·2 g. Nominate race has forehead, crown and upperparts dull greenish grey, area above lores lemon-yellow, broken eyering paler,... read more


    Song, mostly during Dec–Jul, an assertive series of notes, often ending in sharp "chik", e.g... read more


    Woodland edge, bushes, scrubland; in Bahamas, xeromorphic habitats.

    Food and feeding

    Food mostly insects and some berries. Forages by creeping along branches and twigs; very tame.


    Season Apr–Jul in Cayman Is, May–Jun in Cuba, and peak of nesting apparently Mar on Tortuga I. Nest a deep cup made from bark... read more


    Mainly resident. Apparently some movement, as several extralimital records in extreme SE USA (... read more

    Status and conservation

    Not globally threatened (Least Concern). Restricted-range species: present in Bahamas, Hispaniola and Cuba EBAs, and present in Cayman Islands Secondary Areas. Fairly common... read more

    Recommended citation

    Brewer, D. (2019). Thick-billed Vireo (Vireo 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 25 April 2019).