Humid evergreen forest belt of eastern Madagascar.
 
Population
Estimated population is unknown (2010).
Status LC
Habitat destruction and degradation through slash-and-burn cultivation by subsistence farmers is the main threat.
For more information see BirdLife International Species Factsheet.
Cryptic Warbler (Cryptosylvicola randrianasoloi) [XC26402]
by Frank Lambert from Vohiparara trail, Ranomafana NP, Fianarantsoa Prov., Madagascar (song)
Cryptic Warbler (Cryptosylvicola randrianasoloi) [XC536979]
by id from Iaroka Forest, Moramanga District, Toamasina Province, Madagascar (song)
Subspecies
No subspecies.
Affinities uncertain. Resembles several other genera of small Old World oscines variously classed as warblers or as babblers (Timaliidae). DNA analysis suggests that closest relatives are among a Malagasy radiation stemming from African sylviids.