The warbling vireo (Vireo gilvus) is a small North American songbird in the Vireonidae family.
Its breeding habitat is open deciduous and mixed woods from Alaska to Mexico and the Florida Panhandle. It often nests in widely spaced trees, often cottonwood or aspen, along streams or rivers. It migrates to Mexico and Central America.
Warbling vireos forage for insects in trees, hopping along branches and sometimes hovering. They also eat berries, especially before migration and in winter quarters, where they are quite fond of gumbo-limbo seeds, though they will not venture into human-modified habitat to get them.