Curve-billed Thrasher

Toxostoma curvirostre




Mockingbirds and Thrashers (Mimidae)

Code 4


Code 6



Egg Color:

Pale blue green with light brown spots

Number of Eggs:

1 - 5

Incubation Days:

12 - 15

Egg Incubator:

Both sexes

Nest Location:

In the middle of a sharp-needled cholla, Dense cactus, or thorny shrub.

Nest Material:

Twigs and rootlets., Lined with fine materials, including twigs and grass.





Curve-billed Thrasher: Medium-sized thrasher (palmeri), with gray upperparts and spotted, pale gray underparts. Eyes are orange-red and bill is long and decurved. Tail is long and dark gray. Sexes are similar. Juvenile has straighter and shorter bill, and yellow eyes.

Range and Habitat

Curve-billed Thrasher: This species is a resident in southwestern U.S. to southern Mexico. It is found in Colorado, Oklahoma, Texas, New Mexico, and Arizona. Its preferred habitats include dense aggregations of cholla cactus, mesquite, or palo verde. They also may be found in dense growth in urban areas.

Breeding and Nesting

Curve-billed Thrasher: One to five pale blue green eggs with light brown spots are laid in a nest made of twigs and rootlets, lined with fine materials, and built in a dense thorny desert shrub or in a branching clump of cactus, usually 2 to 8 feet above the ground. Incubation ranges from 12 to 15 days and is carried out by both parents.

Foraging and Feeding

Curve-billed Thrasher: Eats mostly insects, but also cactus seeds and fruits, and various berries; forages on the ground, tossing aside litter in search of food.

Readily Eats

Millet, Nuts, Sunflower


Curve-billed Thrasher: Song is melodic, varied, and intricate, with low trills and warbles, often with two or three repetitions of phrases. Call is a sharp "whit-wheet", which sometimes includes three notes.

Similar Species

Curve-billed Thrasher: Bendire's Thrasher has smaller size and straighter bill with a yellow base to lower mandible and lower call. Sage Thrasher is smaller, has yellow eyes, short straight slender bill, white underparts, two white wing-bars and white-tipped outer tail feathers.


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

Back, rump, hindneck, wings, and crown.
Parts of a Standing bird X
Head Feathers and Markings X
Parts of a Flying bird X