Paper 4

Brumfield, R.T., J.G. Tello, Z.A. Cheviron, M.D. Carling, N. Crochet, & K.V. Rosenberg. 2007. Phylogenetic conservatism and antiquity of a tropical specialization: army-ant-following in the typical antbirds (Thamnophilidae). Molecular Phylogenetics and Evolution 45:1-13. [pdf]