Family Vireos (Vireonidae)

Least Concern

Grey Vireo (Vireo vicinior)


French: Viréo gris German: Grauvireo Spanish: Vireo gris

Vireo vicinior


, 1866,

Fort Whipple, Arizona, USA


Dark birds with deep black bill from Nachoguero Valley (Baja California) and NC Durango, in NW Mexico, might represent a distinct race. Currently treated as monotypic.


SW USA from Wyoming (occasional), C & E Utah, S Nevada and S California E, discontinuously, to W Colorado, N & E Arizona, W, N & SE New Mexico and W Texas (Big Bend and adjacent areas), and NW & N Mexico (N Baja California and N Coahuila); migrates to non-breeding areas from SW Arizona S to NW Mexico (W Sonora, S Baja California) and in SW Texas.

Descriptive notes

14 cm; male 11·5-13·5 g, female 12·1-13 g. Face and ear-coverts grey, inconspicuous whitish eyering and lores; crown, nape and upperparts dull grey;... read more


Several different song types. Primary song a loud disyllabic or trisyllabic "chu-weet" or... read more


When breeding prefers hot, arid scrubland with wide variety of associations of bushes 0·5-2 m tall... read more

Food and feeding

During breeding season food predominantly insects, including, among others, bugs (Hemiptera), treehoppers (Membracidae) and other... read more


Egg dates in California 20th Apr to 4th Jul (half during 21st-29th May), and in Colorado one full clutch by 13th Jun. Male arrives on... read more


Short-distance migrant. Winters from SW Arizona (USA) S in Mexico to W Sonora, also in S Baja... read more

Status and conservation

Not globally threatened. Uncommon. Population decline and significant contraction in range recorded in historic times, the species no longer occurring in numerous previous... read more

Recommended citation

Brewer, D. (2019). Grey Vireo (Vireo vicinior). 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).