Crescent-chested Warbler: Small, Neotropical warbler with gray to blue-gray head, wings and tail. Back is yellow-green, breast and throat are bright yellow with a rufous-brown spot or crescent on upper breast; belly and sides are white to gray. Head shows thick, white eyebrows that widen towards nape and partial lower eye-ring. Female is similar but has smaller spot on upper breast; first fall female lacks the breast mark.
Crescent-chested Warbler: Resident of montaine oak-pine and mixed softwood forests of Mexico to Central America. Seasonal migration to lower elevations within mountain ranges has been documented. Very few records in the United States from southeastern Arizona and in the lower Rio Grande Valley, Texas.
"t-t-t-t-t-t-t-t", "sik"
The Crescent-chested Warbler jumps from twigs and foliage, picking food from the underside of leaves, and hanging beneath leaves in a fashion similar to chickadees to check surfaces for prey.
A group of warblers has many collective nouns, including a "bouquet", "confusion", "fall", and "wrench" of warblers.
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Family
Wood Warbler (Parulidae)_blue
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Species
Parula superciliosa
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Length4.25
Inches
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Wingspan
Inches
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Crescent-chested Warbler: Small warbler, gray to blue-gray head, wings, tail. Yellow-green back, breast, throat are yellow with a rufous-brown spot or crescent on upper breast; belly and sides are white to gray. Head has white eyebrows that widen towards nape and partial lower eye-ring.
● Song: "t-t-t-t-t-t-t-t", "sik"
● Foraging & Feeding: Crescent-chested Warbler: Gleans insects from leaves and branches at medium heights in trees and shrubs. Often hangs chickadee-like to glean from undersides of leaves. Occasionally forages in dead vegetation.
● Breeding & nesting: Crescent-chested Warbler: Three white egg are laid in a cup nest built on or near the ground in mountain canyons, usually along a ravine or bank. Nest composed of grass, pine needles, and moss. Incubation ranges from 12 to 14 days and is carried out by the female.
● Similar species: Crescent-chested Warbler: Tropical Parula has black lores, two white wing bars, and blue-gray head, wings, rump, and tail. Lacks white supercilium and crescent on chest.
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BreedingMonogamous, Solitary nester
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PopulationAccidental in Arizona, Texas, Uncommon throughout range
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MigrationAltitudinal movements
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Weight
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