Curve-billed Thrasher vs Bendire's Thrasher

In short

The Curve-billed Thrasher and Bendire's Thrasher can be tricky to differentiate, but the bill shape is a key feature: the Curve-billed has a more pronounced curve, while Bendire's is straighter. Both inhabit desert regions, but their habitat preferences and vocalizations provide additional clues.

Identification tips

• Bill Shape: Look for the more curved bill of the Curve-billed Thrasher.
• Habitat: Note the density of vegetation; Curve-billed prefers denser areas.
• Vocalizations: Listen for the more complex song of the Curve-billed.
• Seasonal Movement: Consider Bendire's Thrasher's migratory habits in winter.

Size

Both species are similar in size, with no significant differences noted in the field.

Plumage

Plumage is similar, with both species exhibiting grayish-brown tones. However, Bendire's Thrasher may appear slightly paler overall.

Behaviour

Both species forage primarily on the ground, but Bendire's Thrasher is more secretive and less frequently observed.

Habitat

Curve-billed Thrashers prefer denser desert scrub, while Bendire's Thrashers are found in more open, sparse desert habitats. Bendire's also migrates out of northern breeding areas in winter.

Voice

Curve-billed Thrasher has a more varied and complex song, while Bendire's Thrasher's song is simpler and less musical.