Crissal Thrasher

Toxostoma crissale

Order

PASSERIFORMES

Family

Mockingbirds and Thrashers (Mimidae)

Code 4

CRTH

Code 6

TOXCRI

ITIS

Egg Color:

Blue green



Number of Eggs:

1 - 4



Incubation Days:

14



Egg Incubator:

Both sexes



Nest Location:

Low in a dense bush.



Nest Material:

Twigs, shredded bark and grass., Lined with finer vegetation.



Migration:

Nonmigratory



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General

Crissal Thrasher: Large thrasher with gray-brown upperparts and unstreaked, gray underparts. Throat is white with dark moustache stripe, eyes are yellow, and bill is long and strongly decurved. Tail is very long with chestnut-brown undertail coverts. Sexes are similar. Juvenile is paler and duller.

Range and Habitat

Crissal Thrasher: This species is a resident in southern Nevada, extreme southwestern Utah, southeastern California, much of Arizona, southern New Mexico, western Texas and south to central Mexico. Preferred habitats include in dense, low scrubby vegetation, such as desert, foothill scrub, and riparian brush.

Breeding and Nesting

Crissal Thrasher: One to four blue green eggs are laid in a nest made of twigs, lined with finer vegetation, and built in the middle of a dense shrub. Eggs are incubated for 14 days by both parents.

Foraging and Feeding

Crissal Thrasher: Eats insects, spiders, seeds, and berries; forages on the ground, tossing leaves and vegetation with its bill.

Vocalization

Crissal Thrasher: Song is varied and musical, often with phrases repeated 2 or 3 times. Call is a repeated "chideery", a rich, warbled "cheeoo-ree-eep", or a "toit-toit-toit."

Similar Species

Crissal Thrasher: Le Conte's Thrasher is paler, has dark eyes, and only a wash of rust-brown undertail. Curve-billed Thrasher is paler, has faint spots on breast, orange eyes, and only a wash of rust-brown undertail. California Thrasher has dull buff belly and undertail, dark eyes, and is browner overall.

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UnderpartsX

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

Undertail covertsX
Small feathers that cover the areas where the retrices (tail feathers) attach to the rump.
UpperpartsX
Back, rump, hindneck, wings, and crown.
RiparianX
Relating to or living or located on the bank of a natural watercourse (as a river) or sometimes of a lake or a tidewater. 
Parts of a Standing bird X
Head Feathers and Markings X
Parts of a Flying bird X