Chestnut-cheeked starling (English Wikipedia)

BirdLife International (2018). "Agropsar philippensis". IUCN Red List of Threatened Species. 2018 e.T22710874A131960017. doi:10.2305/IUCN.UK.2018-2.RLTS.T22710874A131960017.en. Retrieved 13 November 2021.
Zuccon, D.; Pasquet, E.; Ericson, P.G.P. (2008). "Phylogenetic relationships among Palearctic-Oriental starlings and mynas (genera Sturnus and Acridotheres: Sturnidae)". Zoologica Scripta. 37 (5): 469–481. doi:10.1111/j.1463-6409.2008.00339.x. S2CID 56403448.
Lovette, I.J.; McCleery, B.V.; Talaba, A.L.; Rubenstein, D.R. (2008). "A complete species-level molecular phylogeny for the 'Eurasian' starlings (Sturnidae:Sturnus, Acridotheres, and allies): Recent diversification in a highly social and dispersive avian group". Molecular Phylogenetics and Evolution. 47 (1): 251–260. doi:10.1016/j.ympev.2008.01.020. PMID 18321732.

iucnredlist.org (Global: 88^th place; English: 160^th place)

Lovette, I.J.; McCleery, B.V.; Talaba, A.L.; Rubenstein, D.R. (2008). "A complete species-level molecular phylogeny for the 'Eurasian' starlings (Sturnidae:Sturnus, Acridotheres, and allies): Recent diversification in a highly social and dispersive avian group". Molecular Phylogenetics and Evolution. 47 (1): 251–260. doi:10.1016/j.ympev.2008.01.020. PMID 18321732.

Zuccon, D.; Pasquet, E.; Ericson, P.G.P. (2008). "Phylogenetic relationships among Palearctic-Oriental starlings and mynas (genera Sturnus and Acridotheres: Sturnidae)". Zoologica Scripta. 37 (5): 469–481. doi:10.1111/j.1463-6409.2008.00339.x. S2CID 56403448.

Gill, Frank; Donsker, David, eds. (2018). "Nuthatches, Wallcreeper, treecreepers, mockingbirds, starlings, oxpeckers". World Bird List Version 8.1. International Ornithologists' Union. Retrieved 11 May 2018.