Geographical distribution of Western sandpiper.    Breeding  Migration  Nonbreeding
BirdLife International. 2016. Calidris mauri. The IUCN Red List of Threatened Species 2016: e.T22693376A93401409. https://dx.doi.org/10.2305/IUCN.UK.2016-3.RLTS.T22693376A93401409.en. Downloaded on 15 June 2018.
Cephas