Crescent-chested Warbler

Parula superciliosaOrder: PASSERIFORMES Family: Wood Warblers (Parulidae)

Codes: Common Name: CCWA Scientific Name: PARSUP ITIS Taxonomic No.: 554351

Breeding Location:

Mountain canyons

Breeding Type:

Monogamous, Solitary nester

Breeding Population:

Accidental in Arizona, Texas, Uncommon throughout range

Egg Color:

White

Number of Eggs:

Incubation Days:

Egg Incubator:

Female

Nest Material:

Grass, pine needles, moss

Migration:

Altitudinal movements

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 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.

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. Lacks white supercilium and crescent on chest.

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Bird Call Credits: The Macaulay Library of Natural Sounds at the Cornell Lab of Ornithology. Martyn Stewart, http://www.naturesound.org, Redmond, Washington USA. The reuse or copying of bird calls in this database is strictly forbidden.

Crescent-chested Warbler

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.

Flight Pattern

Short flights usually within vegetation at medium heights in trees and shrubs.

Crescent-chested Warbler Body Illustration

● Range & Habitat: 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.

^BreedingMonogamous, Solitary nester

^PopulationAccidental in Arizona, Texas, Uncommon throughout range

^MigrationAltitudinal movements

^Weight Ounces

Belly

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.

Breast

The upper front part of a bird.

Nape

Also called the hindneck or collar, it is the back of the neck where the head joins the body.

4 and 6 letter alpha codes

The four letter common name alpha code is is derived from the first two letters of the common first name and the first two letters of common last name. The six letter species name alpha code is derived from the first three letters of the scientific name (genus) and the first three letters of the scientific name (species). See (1) below for the rules used to create the codes..

Four-letter (for English common names) and six-letter (for scientific names) species alpha codes were developed by Pyle and DeSante (2003, North American Bird-Bander 28:64-79) to reflect A.O.U. taxonomy and nomenclature (A.O.U. 1998) as modified by Supplements 42 (Auk 117:847-858, 2000) and 43 (Auk 119:897-906, 2002). The list has been updated by Pyle and DeSante to reflect changes reported by the A.O.U from 2003 through 2006.

Field Guide to Birds of North America