These are small drab birds that actively hunt insects within the forest foliage. Though fairly similar in appearance, kinglets group with the thrushes while vireos are distant relatives of shrikes and jays.
Warbling Vireo – Drab gray to olive with no wingbars. Indistinct brown line through eye with white line above and no eyering. Found in deciduous forest. (photo © jayras)
Red-eyed Vireo – Larger with more distinct facemask than Warbling Vireo. Found in riparian woodland, often hiding invisibly within the foliage. (photo © guylafond)
Hutton’s Vireo – Olive-gray bird with greenish wings and two white wingbars. Gray flanks with minor yellow wash. Found in mixed and oak woodland. (photo © Stefan)
Cassin’s Vireo– Grayish head on olive-brown body. White eyering with line to bill. Two white wingbars with black between and below. Yellowish flanks. Frequents wooded areas. (photo © cgates326)
Ruby-crowned Kinglet – Smaller than vireos with thinner bill. Lighter underparts than Cassin’s. Black bar below white wingbar that Hutton’s lacks. Found in coniferous forest. (photo © Mike Patterson)
Golden-crowned Kinglet – Black and white facemask and lack of eyering differentiates from other kinglets. Grayish body. Found in coniferous forest. (photo © Mark Nikas)
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