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 |