Charles G. Sibley

Continental breakup and the ordinal diversification of birds and mammals

Sudhir Kumar, S. Hedges, Patrick H. Parker, 1996, Nature.

Phylogeny and biogeography of ratite birds inferred from DNA sequences of the mitochondrial ribosomal genes.

S. Hedges, M. van Tuinen, C. G. Sibley, 1998, Molecular biology and evolution.

DNA sequence support for a close phylogenetic relationship between some storks and New World vultures

J. Avise, C. G. Sibley, W. Nelson, 1994, Proceedings of the National Academy of Sciences of the United States of America.