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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

From: Migration routes, behavior and protection status of Eurasian Spoonbills (Platalea leucorodia) wintering in China

Season Breeding provenance
(Winter area)
Bird ID Start date End date Migration
distance (km)
Migration
duration (days)
Migration
speed (km/day)
Number of
stopovers
Stopover
duration (days)
Daily travel
speed (km/day)
Straightness
index
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
  1. Only migration information from the ten individuals from which we received complete data from at least one full migration episode is presented in the current analysis