Red-Eyed Vireo National Geographic
White-eyed Vireo : Minnesota Breeding Bird Atlas
Least Bell's vireo
Warbling Vireo Identification, All About Birds, Cornell Lab of Ornithology
Warbling Vireo Identification, All About Birds, Cornell Lab of Ornithology
Dan's Feathursday Feature: Philadelphia Vireo — Chicago Ornithological Society
Why Do Some Bird Species Sing More Than Others?
Warbling Vireo Audubon Field Guide
Warbling Vireo – Too Much Of A Good Thing – Feathered Photography
Blue-headed vireo - Wikipedia
Bird of the Week: Black-capped Vireo - Travis Audubon
Green Shrike-Vireo - The Canopy Family
Meet the Vireo Bird Family: Sweet Summer Singers - Birds and Blooms