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Table 1 Repeatability estimates (R) from adult Round Island petrels with repeated tracks (2–5 years) for departure date from the breeding colony, arrival at the colony and duration of the migratory period

From: Individual consistency in migration strategies of a tropical seabird, the Round Island petrel

  Nind/Nrep R Lower CI Upper CI p value
Departure date from RI 76/169 0.787 0.696 0.852  < 0.001
Arrival date at RI 62/131 0.813 0.715 0.883  < 0.001
Duration of migration 62/131 0.465 0.251 0.630  < 0.001
  1. Given are the number of individuals (Nind), number of migratory tracks (Nrep), lower and upper 95% CIs, and p values