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Table 1 Track characteristics by species (Mean ± SD) and the effects of species and sex on track characteristics (Parameter coefficient ± SD) for black-footed (BFAL) and Laysan (LAAL) albatrosses

From: Shadowed by scale: subtle behavioral niche partitioning in two sympatric, tropical breeding albatross species

  Summary statistics Linear model output
  BFAL LAAL Species Sex [BFAL] Sex [LAAL]
  Mean ± SD Mean ± SD Coeff. ± SD t P Coeff. ± SD t P Coeff. ± SD t P
Total distance (km) 886.1 ± 476.9 918.6 ± 496.6 686.1 ± 363.9* 1.9 0.07 402.2 ± 210.1 1.9 0.23 480.9 ± 351.5 −1.368 0.52
Daily travel (km/day) 468.2 ± 176.4 499.2 ± 163.6 198.4 ± 92.2** 2.2 0.04 73.6 ± 74.1 1.0 0.75 186.8 ± 86.4 −2.161 0.15
Max. distance (km) 368.4 ± 215.3 500.2 ± 365.8 11.9 ± 3.4** 3.6 0.001 3.7 ± 2.7 1.4 0.53 10.2 ± 3.1** −3.240 0.01
Trip duration (days) 1.9 ± 0.65 2.0 ± 0.5 1.5 ± 0.4** 4.2 <0.001 0.5 ± 0.3 1.7 0.32 1.2 ± 0.3** −3.580 0.01
  1. Significance was set to P ≤ 0.05 (**) and marginal significance to P ≤ 0.1 (*)