Table 1 Variation in spatio-temporal trip descriptors according to breeding stage (incubation and nestling-rearing) and sampling year (2016, 2017 and 2018)

 2016

 (n = 76, 12)

2.40 ± 1.61

(0.21–9.76)

18.23 ± 9.78

(3.86–55.59)

5.26 ± 2.46

(0.90–17.62)

3.49 ± 0.94

(2.25–5.96)

 2017

 (n = 91, 11)

2.02 ± 1.54

(0.37–8.61)

22.93 ± 12.40

(2.79–74.79)

6.63 ± 2.51

(0.61–13.33)

3.44 ± 1.11

(2.20–8.69)

 2018

 (n = 52, 6)

1.72 ± 1.33

(0.29–7.55)

18.14 ± 8.15

(6.07–39.58)

6.09 ± 1.58

(1.69–8.82)

2.90 ± 0.72

(2.13–4.70)

 Years pooled

 (n = 219, 29)

2.08 ± 1.54

(0.21–9.76)

20.16 ± 10.83

(2.79–74.79)

6.03 ± 2.37

(0.61–17.62)

3.33 ± 0.10

(2.13–8.69)

 2016

 (n = 34, 2)

1.37 ± 0.84

(0.20–3.21)

14.68 ± 8.18

(3.21–29.34)

4.75 ± 2.44

(1.43–8.18)

3.11 ± 0.68

(2.19–4.83)

 2017

 (n = 78, 6)

1.09 ± 0.61

(0.25–2.93)

16.87 ± 7.37

(5.77–39.84)

6.03 ± 2.20

(2.45–13.98)

2.78 ± 0.51

(2.12–4.14)

 2018

 (n = 158, 6)

0.89 ± 0.54

(0.13–4.06)

15.42 ± 6.07

(3.34–35.78)

6.15 ± 2.33

(1.49–9.72)

2.56 ± 0.60

(2.06–5.30)

 Years pooled

 (n = 270, 14)

1.01 ± 0.62

(0.13–4.06)

15.75 ± 6.77

(3.21–39.84)

5.94 ± 2.35

(1.43–13.98)

2.69 ± 0.61

(2.06–5.30)