The birds of British Columbia. Royal B.C. Museum, Victoria, B.C. and Can. The birds of British Columbia. Passerines wood warblers through finches. Campbell, R.W., K.H. Morgan and C. Palmateer.
Species notes for birds.
In Wildlife habitat handbooks for the Southern Interior Ecoprovince. For., Victoria, B.C. Cannings, R.A., R.J. Cannings and S.G. Cannings. Birds of the Okanagan Valley, British Columbia. B.C. Godfrey, W.E. 1986. The birds of Canada.