Bird name:

Crissal Thrasher

Toxostoma crissale

Order

PASSERIFORMES

Family

Mockingbirds and Thrashers (Mimidae)

Code 4

CRTH

Code 6

TOXCRI

ITIS

178652

Breeding Location:

Bushes and shrubs

Breeding Type:

Monogamous, Solitary nester

Breeding Population:

Fairly common

Egg Color:

Blue green

Number of Eggs:

1 - 4

Incubation Days:

13 - 14

Egg Incubator:

Both sexes

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: Resident from southern Nevada and southeastern California to western Texas and central Mexico. Preferred habitats include in dense, low scrubby vegetation, such as desert and 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.

Readily Eats

Suet, Sunflower Seed, Nuts

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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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.

Undertail coverts

Small feathers that cover the areas where the retrices (tail feathers) attach to the rump.

Upperparts

Back, rump, hindneck, wings, and crown.

Riparian

Relating to or living or located on the bank of a natural watercourse (as a river) or sometimes of a lake or a tidewater.

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