Grace's Warbler

Setophaga graciae

Order

PASSERIFORMES

Family

Wood-Warblers (Parulidae)

Code 4

GRWA

Code 6

SETGRA

ITIS

Egg Color:

White with small brown spots and blotches



Number of Eggs:

3 - 4



Incubation Days:

11 - 12



Egg Incubator:

Female



Nest Location:

20 - 60 feet above ground.



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 into northern Mexico. Spends winters south of the U.S.-Mexico border, though some individuals winter in coastal regions of southern California. 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.

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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UnderpartsX

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

UpperpartsX
Back, rump, hindneck, wings, and crown.
BreastX
The upper front part of a bird.
CrownX
The crown is the top part of the birds head.
Parts of a Standing bird X
Head Feathers and Markings X
Parts of a Flying bird X