Family Wrens (Troglodytidae)


Clarion Wren (Troglodytes tanneri)


French: Troglodyte de Clarion German: Clariónzaunkönig Spanish: Chochín de la Clarión

Troglodytes tanneri

C. H. Townsend

, 1890,

Clarión Island, in Revillagigedo Group, off west Mexico


Often treated as conspecific with T. aedon, T. beani and T. cobbi. Monotypic.


Clarión I, in Revillagigedo Group, off W Mexico.

Descriptive notes

12·5–14 cm. Has grey-brown lores, buffy-white supercilium, grey-brown ear-coverts obscurely mottled lighter brown; crown and nape dull blackish-brown, back dull grey-... read more


Song usually begins with 2 or more gruff “chut” notes, then continues as a warble, resembles that... read more


Arid scrub and cactus bush.

Food and feeding

No published information.


Season at least Oct–May; nests in cavities in pockets of volcanic rock and sand, as well as in cavities in anthropogenic equipment... read more



Status and conservation

VULNERABLE. Confined entirely to Clarión I, a small island (8 km long) in Revillagigedo Group, off W Mexico; described in 1898 as “not uncommon”.... read more

Recommended citation

Kroodsma, D., Brewer, D. & de Juana, E. (2019). Clarion Wren (Troglodytes tanneri). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 25 May 2019).