Mindanao Miniature Babbler (Micromacronus sordidus) [XC389830]
by id from Mt Apo, above Kidapawan City, Cotabato, Region XII, Philippines (call)
Subspecies
Micromacronus leytensis (Sibley and Monroe 1990, 1993) has been split into Visayan Miniature Babbler (Micromacronus leytensis) and Mindanao Miniature Babbler (Micromacronus sordidus) following Collar (2006).
Similar Species
Female Lovely Sunbird (Aethopyga shelleyi) which is tiny but has a longer, slightly decurved bill and lacks erectile feathers, and at higher altitudes with Mountain Warbler (Phylloscopus trivirgatus) which is slightly larger and lacks the erectile feathers.
References
See References.