Crescent-chested Warbler

Oreothlypis superciliosa

Order

PASSERIFORMES

Family

Wood-Warblers (Parulidae)

Code 4

CCWA

Code 6

ORESUP

ITIS

Egg Color:

White



Number of Eggs:

3



Incubation Days:

12 - 14



Egg Incubator:

Female



Nest Location:

On or near ground, often along ravine



Nest Material:

Grass, pine needles, moss



Migration:

Altitudinal movements



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General

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.

Range and Habitat

Crescent-chested Warbler: Resident of montane 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.

Breeding and 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.

Foraging and 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.

Vocalization

Crescent-chested Warbler: Song a short buzz: "t-t-t-t-t-t-t-t-t." Call a soft "sik."

Similar Species

Crescent-chested Warbler: Tropical Parula has black lores, two white wing bars, and blue-gray head, wings, rump, and tail.

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BellyX
The ventral part of the bird, or the area between the flanks on each side and the crissum and breast. Flight muscles are located between the belly and the breast.
BreastX
The upper front part of a bird.
NapeX
Also called the hindneck or collar, it is the back of the neck where the head joins the body.
Parts of a Standing bird X
Head Feathers and Markings X
Parts of a Flying bird X