Warbling vireo
Vireo gilvus

Size: 5.5 inches
Overall Color: olive gray and yellow
Occurrence: deciduous woods
Diet: insects, berries
Nest: cup on horizontal tree branch
Field Identification: insect gleaner, olive gray above, yellowish underneath, whitish eyebrow, whitish eye line
Season: summer

Kingdom: Animalia (Animals)
Phylum: Chordata (hollow nerve cord)
Subphylum: Vertebrata (backbone)
Class: Aves (Birds)
Order: passeriformes
Family: 51 Vireonidae (vireos)
Genus: Vireo
Species: gilvus