Warbling Vireo Vireo gilvus
Flight call description No known flight call but gives a soft "vit" (or "vcht") note in short diurnal flights.
Fig.1. Ohio May 28, 1981 (Donald L Borror).
Borror Lab of Bioacoustics catalogue no.15690
Similar species See Red-eyed Vireo.
Behavior Nocturnal migrant but engages in redetermined migration. Has been documented to give an occasional soft "vit" note in redetermined migration and in short diurnal flights on the breeding grounds.