References
*Zamora, Jorge; Lowy, Ernesto; Ruiz-del-Valle, Valentin; Moscoso, Juan; Serrano-Vela, Juan Ignacio; Rivero-de-Aguilar, Juan & Arnaiz-Villena, Antonio (2006): ''Rhodopechys obsoleta'' (desert finch): a pale ancestor of greenfinches (''Carduelis'' spp.) according to molecular phylogeny. ''Journal of Ornithology'' 147(3): 448–456.(https://www.novapublishers.com/catalog/downloadOA.php?order=1&access=true&osCsid=578391717583ba2180ffa42bf304e1f6) (HTML abstract). Erratum, ''Journal of Ornithology'' 147(3): 511–512External links