Family Tetrakas (Bernieridae)


Appert's Tetraka (Xanthomixis apperti)


French: Farifotra d’Appert German: Appertmadagaskarsänger Spanish: Tetraka de Appert

Phyllastrephus apperti


, 1972,

40 km south-east of Ankazoabo, south-western Madagascar


Sister to X. cinereiceps, based on molecular data. Monotypic.


Zombitse-Vohibasia National Park, Analavelona Forest and Salary Bay, in SW Madagascar#R.

Descriptive notes

c. 15 cm; 11–17 g. A smallish, slender, distinctively patterned species, narrow bill with lower mandible slightly inflated centrally. Top of head and neck are blue-grey... read more


Call a high, shivering “tsee” or “tseetsee”, similar to that of X.... read more


Deciduous forest at 600–800 m, and a tract of relict evergreen forest on isolated massif at... read more

Food and feeding

Arthropods. Occurs in small groups of 2–8 individuals, occasionally singly; sometimes in mixed-species flocks with Bernieria... read more


No information. Subadult recorded in Apr. Recorded on nest in Dec.


No information; presumed sedentary.

Status and conservation

VULNERABLE. Restricted-range species: present in West Malagasy Dry Forests EBA. Very rare and highly localized; population within tiny range estimated to number fewer than... read more

Recommended citation

Fishpool, L. & Tobias, J. (2020). Appert's Tetraka (Xanthomixis apperti). 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 9 April 2020).