Red-eyed Vireos are recognizable for their olive green upper feathers and blue grey crown in addition to their red eyes.
Red-eyed Vireos are small birds with a legth of 15 cm and a wingspan of 24 cm. 
Red-eyed Vireos are found commonly in deciduous woodlands with a shrubby understorey. 
- ^ a b Krista Kagume (2005). Compact Guide to Ontario Birds. Lone Pine Publishing. ISBN 1551054671.