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small, migratory songbird of the New World. Some species nest in the United States, but the majority are tropical. Vireos (also called greenlets) range from 4 to 6 1/2 in. (10.2–16.5 cm) in length; they are greenish above and white or yellowish below and have either stripes above or rings around the eyes. They search methodically through vegetation for insects. Vireos are known for their loud, persistent call and for their cup-shaped nest that is suspended in the fork of a tree limb. American vireos include the red-eyed, white-eyed, warbling, Philadelphia, yellow-throated, and blue-headed, or solitary, vireos. Vireos are classified in the phylum ChordataChordata
, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals.
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, subphylum Vertebrata, class Aves, order Passeriformes, family Vireonidae, genus Vireo.
References in periodicals archive ?
In short order, we found yellow-throated vireo, ovenbird, and Louisiana waterthrush, and then pushed on to our weirdest stop of the day: the National Zoo.
For instance, Blackburnian Warblers increased in abundance along the elevation gradient sampled, while Red-eyed Vireos peaked in abundance at lower elevations when compared to Gray-cheeked Thrushes or Tennessee Warblers.
We studied white-eyed vireos at Fort Hood Military Reservation, Bell and Coryell counties, Texas, within the Lampasas Cut Plains, at the intersection of the Edwards Plateau and the Crosstimbers-Southern Tallgrass Prairie ecoregions (Cornelius et al.
An ordnance-ignited crown fire in 1996 converted 5,590 acres (2,313 ha) of warbler habitat to vireo habitat, enabling us to meet recovery goals for vireos with only mild impacts on warblers.
By contrast, the White-eyed Vireo, Cerulean Warbler and Yellow-throated Warbler were found in at least 20 of 23 springs around Charleston, the Worm-eating Warbler has occurred locally in 33 of the past 40 years and the Louisiana Waterthrush yearly since 1975 through 2005 in my records.
Red-eyed vireos were more abundant in 3L sites than in heavy use sites (3H and 1H: Table I).
Golden-cheeked warblers and black-capped vireos nest from March through September.
Mean captures of five of nine early succession species declined after an early peak (Blue-winged Warblers, Indigo Buntings, Prairie Warblers, White-eyed Vireos and Yellow-breasted Chats, Fig.
Although black-capped vireos occur in Nuevo Leon during migration (Contreras-Balderas 1997), their breeding status in this state was unclear until recently because of sparse records during the breeding season.
In 2005, a riparian woodland restoration site on the San Joaquin River NWR attracted some surprise visitors: a nesting pair of endangered least Bell's vireos (Vireo bellii pusillus).
Short self-guiding trails access each habitat and are worth exploring to add flycatchers, warblers, vireos, secretive sparrows, and, perhaps, owls to your list.
What bird-watchers have noticed, however, is that the vireos respond well to managed habitats.