Table 2.

Estimated ages using the r8s program with 95% CIs. (The TN search algorithm was used under penalized likelihood with a smoothing parameter of 2.0 for all sequences and 1.0 for the other analyses.)

method for inferring phylogeny branch lengths	all sequences ML	one sequence per population ML	Nei/Li distances based on ML distances
colonization of Austral Islands	19 Myr ago (date fixed)	19 Myr ago (date fixed)	19 Myr ago (date fixed)
colonization of Marquesas Islands	6.1 (4.6–8.2)	4.9 (3.3–7.3)	5.6 (3.7–8.3)
colonization of Hawaiian Islands	3.9 (2.6–6.3)	2.4 (1.4–4.7)	2.6 (1.4–5.3)