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Montana Field Guide

Montana Field Guides

Curve-billed Thrasher - Toxostoma curvirostre

Native Species
Accidental Species

Global Rank: G5
State Rank: SNA

Agency Status


External Links

General Description
The Curve-billed Thrasher is a year-round resident of central and southern Arizona, southern and eastern New Mexico, southeastern Colorado, and western Texas east to the Texas Gulf Coast (Sibley 2014). In Montana, this species has two records over the past decade (Montana Bird Distribution Committee 2012).

For a comprehensive review of the conservation status, habitat use, and ecology of this and other Montana bird species, please see Marks et al. 2016, Birds of Montana.

Species Range

Western Hemisphere Range


Observations in Montana Natural Heritage Program Database
Number of Observations: 4

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density


SUMMER (Feb 16 - Dec 14)
Direct Evidence of Breeding

Indirect Evidence of Breeding

No Evidence of Breeding

WINTER (Dec 15 - Feb 15)
Regularly Observed

Not Regularly Observed


(Observations spanning multiple months or years are excluded from time charts)

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Citation for data on this website:
Curve-billed Thrasher — Toxostoma curvirostre.  Montana Field Guide.  .  Retrieved on , from