Bird name:

Grace's Warbler

Dendroica graciae

Order

PASSERIFORMES

Family

Wood Warblers (Parulidae)

Code 4

GRWA

Code 6

DENGRA

ITIS

178909

Breeding Location:

Forest edge, Mountains

Breeding Type:

Monogamous, Solitary nester

Breeding Population:

Fairly common to common

Egg Color:

White with small brown spots and blotches

Number of Eggs:

3 - 4

Incubation Days:

11 - 12

Egg Incubator:

Female

Nest Material:

Leaves, stems, down, bits of fabric, and cocoon material with lining of mammal hair and feathers.

Migration:

Migratory

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General

Grace's Warbler: Medium-sized, flycatching warbler with gray upperparts and black streaks on back and crown. Underparts are white with dark streaks on sides and yellow on throat and breast. Yellow eyebrows turn white behind eyes. Wings are dark with two white bars. Tail is dark with white outer feathers. Female has duller gray upperparts and finer black streaks on sides. Juvenile lacks yellow on throat and breast.

Range and Habitat

Grace's Warbler: Breeds from southern Nevada, Utah, and Colorado southward along the mountains of the southwest. Spends winters south of the U.S.-Mexico border. Preferred habitats include coniferous or mixed forests.

Breeding and Nesting

Grace's Warbler: Three or four white eggs, with brown spots and splotches, are laid in a small cup nest made of rootlets and bark shreds, lined with hair or feathers, and built in a conifer, some 20 to 60 feet above the ground. Incubation ranges from 11 or 12 days and is carried out by the female.

Foraging and Feeding

Grace's Warbler: Eats mostly insects; forages in the upper canopy, gleaning food from leaves and branches of pines, hemlocks, and spruces. Occasionally catches flying insects in mid-air.

Readily Eats

Sugar Water, Fruit, Nut Pieces

Vocalization

Grace's Warbler: Song consists of two slightly differing phrases "chew chew chew chew chew chew chee chee chee." Call is a soft, slurred "chip"; flight note is a very high, thin "sip."

Similar Species

Grace's Warbler: None in range.

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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.

Underparts

Belly, undertail coverts, chest, flanks, and foreneck.

Upperparts

Back, rump, hindneck, wings, and crown.

Breast

The upper front part of a bird.

Crown

The crown is the top part of the birds head.

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