Figure 1

Bayesian phylogeny of the major groups of terns and close relatives. Bayesian posterior values are shown above the nodes, with asterisks denoting nodes with full support. (1a) analysis of the combined mitochondrial dataset (4616 bp: ND2, 12S+16S rRNA, Cytochrome b, Cytochrome Oxidase I); (1b) analysis of the combined nuclear data set (7026 bp: RAG-1 exon 1, Beta-fibrinogen intron 7, GAPDH intron 4 and 11, MYO intron 2, Lamin intron 3, ACL intron 16, and VIM intron 7); (1c) analysis of the full dataset containing mitochondrial and nuclear loci (11642 bp).