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Table 2 Summary of daily activity among three phases of non-breeding for laysan ( n = 18) and black-footed albatross ( n = 15) from Midway Atoll (mean ± SD)

From: Daily activity budgets reveal a quasi-flightless stage during non-breeding in Hawaiian albatrosses

  Laysan albatross Black-footed albatross
Out OW In Out OW In
Sustained flight bouts (/day) 2.8 ± 1.0 1.2 ± 0.3 3.4 ± 1.3 2.3 ± 1.0 1.2 ± 0.5 2.8 ± 1.1
Floating bouts (/day) 2.9 ± 1.4 3.4 ± 0.8 2.3 ± 1.0 2.0 ± 0.7 2.5 ± 0.5 1.5 ± 0.6
Active foraging bouts (/day) 4.3 ± 1.1 3.4 ± 0.7 4.3 ± 1.5 3.9 ± 1.1 2.8 ± 0.7 3.0 ± 1.2
Flight bout length (mins) 105 ± 32 67 ± 18 114 ± 27 114 ± 36 77 ± 20 120 ± 37
Float bout length (mins) 169 ± 65 264 ± 56 133 ± 55 270 ± 123 315 ± 63 175 ± 87
Forage bout length (mins) 77 ± 20 65 ± 16 75 ± 30 103 ± 18 84 ± 20 95 ± 35
Distance travelled (km/day) 285 ± 19 105 ± 4 433 ± 19 273 ± 22 76 ± 9 305 ± 48
  1. Out = outbound transit, OW = overwinter, In = inbound transit.