Warbling Vireo (Vireo gilvus)
Shrikes, Vireos, & Jays Rare Fall and Spring
The Warbling Vireo is a rare spring and fall migrant on campus in May and from September to October. It is a common migrant throughout southern California and an uncommon breeding bird in oak and riparian woodlands from the mountains to the coast.
High Count: 3, Average Count: 1
The Warbling Vireo can be identified by its gray crown and olive-gray upperparts, pale yellow underparts, grayish eye line and white supercilium (line above the eye).