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Table 2 Comparison on the threatened level of waterbirds in China and in the world

From: Population trends, threats, and conservation recommendations for waterbirds in China

Category In China In the world
Number of species Percentage (%) Number of species Percentage (%)
Critically Endangered 6 2.4 28 3.4
Endangered 16 6.4 52 6.3
Vulnerable 16 6.4 76 9.1
Near Threatened 27 10.8 71 8.5
Least Concern 132 52.6 602 72.4
Data Deficient 54 21.5 3 0.4
Total 251 100.0 832 100.0
  1. Data are based on the IUCN criteria of threatened species. The threatened level in the world referred to the IUCN (2012). Among the total 260 waterbird species recorded in China, nine species were firstly recorded in China in recent years. They were listed in the checklists of Zheng (2017) while were not assessed in Jiang et al. (2016). These species include: Ardeola grayii, Ciconia episcopus, Branta hutchinsii, Rallus aquaticus, Vanellus leucurus, Calidris fuscicollis, Ardeola speciose, Anser serrirostris, and Anas poecilorhyncha