Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood (2016) The eBird/Clements checklist of birds of the world: Version 2016 http://www.birds.cornell.edu/clementschecklist/download, läst 2016-08-11
doi.org
dx.doi.org
Alström, Per; Ericson, Per G.P.; Olsson, Urban & Sundberg, Per (2006) Phylogeny and classification of the avian superfamily Sylvioidea., Molecular Phylogenetics and Evolution, vol.38, nr.2, sid:381–397. doi:10.1016/j.ympev.2005.05.015
