Figure 4

Main breeding areas of Bulwer’s Petrels. In colour are the populations sampled, in light grey are populations not sampled in this study. Sample origin: 1–Selvagem Grande, Selvagens Is., 2—Ilhéu da Vila, Azores; 3–Deserta Grande, Desertas Is; 4–Ilhéu Raso, Cabo Verde; 5–Laysan Is, Hawaii; 6–Nihoa Is, Hawaii; 7—Minamijima Is, Ogasawara Islands; Unsampled: 8–Marquesas Islands; 9–Round Island, Mauritius.