Bendire's Thrasher
Toxostoma bendirei
Because of its similar coloration and structure to the curve-billed thrasher, the two birds are very easy to mistake for one another. The Bendire's thrasher's shorter bill is a distinguishing feature when comparing mature birds, but it is still easy to misidentify an adult Bendire's thrasher as a young curve-billed thrasher as its beak has not grown to a mature length. The Bendire's thrasher's yellow eyes and pale-based lower mandible are additional markings which aid in separation from the curve-billed thrasher. Voice: Like other mimids, the often silent Bendire's thrasher incorporates the songs and calls of other species into its own songs. A sharp "chek" is the species' most common call.
ID text from Wikipedia, CC BY-SA 4.0
California Thrasher
Toxostoma redivivum
The California thrasher is about 32 cm (13 in) long and weighs up to 90 g (3.2 oz); it is the largest thrasher. It has a distinctive long, decurved beak and a long tail. It is generally deep grayish brown above with olive tones on the tail. It has a grayish buff supercilium, a dark cheek pattern and eye line, and unlike most thrashers, has dark eyes. The underparts are mostly buffy to tawny brown, with the upper breast and flanks a smoky gray. The two subspecies differ only slightly. Voice: The California thrasher is recognized as a "striking and exuberant songster" known for its mimicking capabilities. It imitates many of the species that share its habitat, a trait that has been documented as reflecting a rich vocal repertoire, showcasing a wide range of vocal imitations from other species.
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Bendire's Thrasher and California Thrasher.