Table 1 Parameters of foraging trips used for the calculations of energy landscapes

Individuals tagged

16

8

8

18

Number of complete trips

13

4

6

26

19

18

Median trip length [km]

125.6 ^b (87.4–161.8)

88.7 ^{a, b} (40.8–144.7)

59.1 ^a (52.2–61.7)

27.1 ^c (19.9–33.4)

66.6 ^a (59.2–71.0)

37.7 ^d (21.7–49.5)

Kruskal-Wallis

Median maximum distance from colony [km]

66.9 ^b (63.2–75.6)

47.7 ^{a, b} (23.7–75.6)

29.6 ^{a, b} (19.8–45.1)

11 ^c (8.6–13.4)

25.7 ^a (23.5–32.1)

15.5 ^d (8.7–20.2)

Kruskal-Wallis

Median trip duration [min]

1727.3 ^a (1062.4–2432.6)

1579.6 ^a (765.2–2508.0)

1129 ^a (850.3–1538.9)

503.4 ^b (373.2–641.7)

1049 ^a (866.1–1182)

595.5 ^b (371.2–641.6)

Kruskal-Wallis

Median start time of foraging (local time)

03:41:46 ^c (03:05:46–14:18:14)

16:49:26 ^{a, b} (11:47:02–18:25:55)

09:15:50 ^{a, b, c} (03:14:24–17:13:55)

14:52:48 ^a (10:10:34–17:45:36)

09:31:41 ^{b, c} (03:10:05–16:00:29)

15:38:53 ^a (07:16:19–18:34:34)

Kruskal-Wallis