French: Viréo jaune-verdâtre German: Gelbflankenvireo Spanish: Vireo verdiamarillo
San Juan de Nicaragua, Nicaragua
Subspecies and Distribution
V. f. hypoleucus
van Rossem & Hachisuka, 1937 – NW Mexico (SE Sonora S to S Sinaloa).
V. f. flavoviridis
(Cassin, 1851) – Rio Grande Delta (S USA–NE Mexico border) and S in Mexico (from E Sonora in W and from N Coahuila#R and N Tamaulipas in E) through Central America to C Panama (including Coiba I and Pearl Is), possibly also to E Panama (Darién) and adjacent Colombia; migrates to NW South America (Colombia S to Bolivia).
V. f. forreri
Madarász, 1885 – Tres Marías Is, off Nayarit, in W Mexico; migrates to W Amazonia.
V. f. perplexus
(A. R. Phillips, 1991) – N Guatemala (Petén), possibly also adjacent SE Mexico; migrates to E Ecuador and E Peru.
V. f. vanrossemi
(A. R. Phillips, 1991) – SE El Salvador.
14–15 cm; 15·5–21·1 g. Nominate race has crown medium grey, narrow and often weak blackish-grey border above greyish supercilium, lores dull dark... read more
Song a persistent series of usually disyllabic phrases, occasionally trisyllabic or monosyllabic,... read more
Open country with scattered trees, plantations, forest edge, riparian woodland; absent from... read more
Food and feeding
Food items insects, including caterpillars and beetles (Coleoptera), also spiders (Araneae); fleshy arillate fruits, mistletoe berries (... read more
Season Apr–Jul/Aug; in Costa Rica, migrants return to nesting areas (and start singing) in late Jan or early Feb, but do not begin... read more
Wholly migratory; the only Middle American passerine that vacates breeding range entirely during... read more
Status and conservation
Not globally threatened. Common or abundant over much of its range. Status in E Panama (Darién) and adjacent Colombia unclear; possibly breeds in both regions, but... read more
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