Geographical distribution of Upland sandpiper.    Breeding  Migration  Nonbreeding
BirdLife International. 2016. Bartramia longicauda. The IUCN Red List of Threatened Species 2016: e.T22693203A93391112. https://dx.doi.org/10.2305/IUCN.UK.2016-3.RLTS.T22693203A93391112.en. Downloaded on 18 June 2018.
Cephas