|Scientific Name:||Calidris acuminata (Horsfield, 1821)|
|Taxonomic Source(s):||del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A. and Fishpool, L.D.C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 1: Non-passerines. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.|
|Red List Category & Criteria:||Least Concern ver 3.1|
|Reviewer(s):||Butchart, S. & Symes, A.|
|Facilitator/Compiler(s):||Ekstrom, J., Butchart, S. & Symes, A.|
This species has a very large range, and hence does not approach the thresholds for Vulnerable under the range size criterion (extent of occurrence <20,000 km2 combined with a declining or fluctuating range size, habitat extent/quality, or population size and a small number of locations or severe fragmentation). The population trend appears to be stable, and hence the species does not approach the thresholds for Vulnerable under the population trend criterion (>30% decline over ten years or three generations). The population size is very large, and hence does not approach the thresholds for Vulnerable under the population size criterion (<10,000 mature individuals with a continuing decline estimated to be >10% in ten years or three generations, or with a specified population structure). For these reasons the species is evaluated as Least Concern.
|Previously published Red List assessments:|
|Range Description:||There is evidence to suggest that the European population (200,000-510,000 pairs, occupying 50-74% of the global breeding range) has declined by up to 30% over ten years (three generations), but this may reflect shifts in breeding populations, populations in Asia are not thought to be declining and wintering populations in Africa appear to be increasing.|
Native:Australia; Brunei Darussalam; China; Christmas Island; Fiji; Guam; Hong Kong; Indonesia; Japan; Korea, Democratic People's Republic of; Korea, Republic of; Marshall Islands; Micronesia, Federated States of ; Nauru; New Caledonia; New Zealand; Northern Mariana Islands; Palau; Papua New Guinea; Philippines; Russian Federation (Central Asian Russia - Vagrant, Eastern Asian Russia); Solomon Islands; Taiwan, Province of China; Timor-Leste; Tonga; United States; United States Minor Outlying Islands; Vanuatu
Vagrant:Austria; Belgium; Bermuda; Bulgaria; Canada; Denmark; Ecuador; Finland; France; Germany; India; Ireland; Kazakhstan; Kiribati; Madagascar; Malaysia; Mongolia; Myanmar; Netherlands; Norway; Oman; Pakistan; Portugal; Saint Helena, Ascension and Tristan da Cunha; Seychelles; Singapore; Sri Lanka; Sweden; Thailand; United Kingdom; Viet Nam; Yemen
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||The global population is estimated to number > c.160,000 individuals (Wetlands International, 2006), while the population in Russia has been estimated at c.100-100,000 breeding pairs and c.50-10,000 individuals on migration (Brazil 2009).|
Trend Justification: Although Wetlands International consider the current population trend to be unknown, it is suspected to be stable in the absence of evidence for any declines or substantial threats (del Hoyo et al. 1996).
|Current Population Trend:||Stable|
|Citation:||BirdLife International. 2016. Calidris acuminata. The IUCN Red List of Threatened Species 2016: e.T22693414A93405394.Downloaded on 22 November 2017.|
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