California Thrasher

Toxostoma redivivum

Order

PASSERIFORMES

Family

Mockingbirds and Thrashers (Mimidae)

Code 4

CATH

Code 6

TOXRED

ITIS

Egg Color:

Pale blue with faint light brown spots



Number of Eggs:

2 - 4



Incubation Days:

14



Egg Incubator:

Both sexes



Nest Location:

2 - 9 feet above ground.



Nest Material:

Grass-lined with roots and twigs.



Migration:

Nonmigratory



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General

California Thrasher: Large, slender thrasher with dark brown upperparts and paler gray-brown underparts. Face is finely streaked, eyes are dark, and bill is very long and down curved. Throat has small buff patch. Tail is long with reddish-brown undertail coverts. Sexes are similar. Juvenile has buff edges on wing feathers.

Range and Habitat

California Thrasher: Common in many parts of their limited range in western and central California, and in Baja California. Only western thrasher with a range that includes areas along the coast. Found in a variety of lowland, shrubby habitats, including areas of chaparral, riparian thickets, arid shrub, or thickly vegetated suburban areas.

Breeding and Nesting

California Thrasher: Two to four pale blue eggs with light brown spots, are laid in a bowl-shaped nest made of sticks and roots, lined with finer materials, and built in a shrub. Eggs are incubated for approximately 14 days by both parents.

Foraging and Feeding

California Thrasher: Diet consists of insects, spiders, seeds of berries, hazelnuts, weeds, and small fruits; forages by digging in soil and turning over leaves with its bill.

Readily Eats

Suet, Sunflower Seed, Nuts

Vocalization

California Thrasher: Expert mimic. Call is a low harsh "chuck" or throaty "quip."

Similar Species

California Thrasher: Crissal Thrasher is darker behind eye, paler cheeks and more rust-brown on undertail coverts. Le Conte's Thrasher is paler overall and lacks pale area behind eye and dark cheeks.

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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.
FaceX
The front part of the head consisting of the bill, eyes, cheeks and chin.
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