Table 1 Comparisons of the autumn migration parameter values (Mean ± SD) from the three groups of Eurasian Spoonbill of different summer provenances in China from 2016 to 2019, based on data from solar GPS/GSM satellite trackers

Autumn

Naoli River

(Jiangsu coast)

Mean ± SD

Oct 20 ± 1.3 (days)

Nov 27 ± 11.5 (days)

2376 ± 161

38.6  ± 10.6

68.4 ± 25.2

1.75 ± 0.43

31.2 ± 11.4

357 ± 104

0.82 ± 0.05

Median

2016/10/20

2016/11/30

2436

40.9

61.2

2

31.4

353

0.83

ES01

2016/10/21

2016/12/4

2526

44.3

57.1

1

36.4

321

0.74

ES02

2016/10/19

2016/11/10

2411

22.0

109.6

2

15.8

386

0.82

ES03

2016/10/19

2016/11/26

2461

37.6

65.4

2

26.4

219

0.84

ES04

2016/10/22

2016/12/11

2106

50.6

41.6

2

46.4

506

0.86

Inner Mongolia

(Yangtze River)

ES05

2017/10/5

2017/10/21

2451

15.5

158.7

2

8.4

346

0.86

Western Mongolia

(Yangtze River)

Mean ± SD

Sep 10 ± 16.9

(days)

Nov 10 ± 9.3 (days)

3466 ± 527

61.0 ± 16.3

61.4 ± 21.9

3.4 ± 1.02

54.0 ± 14.6

545 ± 198

0.78 ± 0.08

Median

2018/9/2

2018/11/8

3685

68.1

54.13

3

59.3

422

0.78

ES06

2018/10/4

2018/11/19

2603

46

56.3

3

40.0

422

0.81

ES07

2018/8/22

2018/10/29

3685

68.1

54.1

5

59.3

417

0.78

ES08

2018/9/2

2018/11/23

3930

82

47.9

3

71.0

358

0.72

ES09

2018/9/27

2018/11/4

3984

38.2

104.3

4

33.8

893

0.68

ES10

2018/8/29

2018/11/8

3130

70.7

44.3

2

65.7

632

0.9

Mean ± SD

Oct 10 ± 11.4 (days)

Oct 25 ± 4.1 (days)

1780 ± 191

15.4 ± 7.4

152.93 ± 82.8

1.67 ± 0.47

11.6 ± 7.7

491 ± 144

0.81 ± 0.07

Median

2019/10/10

2019/10/26

1674

16.1

104.1

2

11.4

422

0.80

ES06

2019/10/10

2019/10/26

1674

16.1

104.1

2

11.4

359

0.80

ES07

2019/9/26

2019/10/20

2047

24.1

85.2

2

21.1

692

0.91f

ES08

2019/10/24

2019/10/30

1617.09

6.0

269.5

1

2.2

422

0.73