"Haematopus ostralegus", BirdLife International. 2016, The IUCN Red List of Threatened Species 2016, hentet 1. februar 2017
hbw.com
Hockey, P., Kirwan, G.M. & Boesman, P. (2017). Eurasian Oystercatcher (Haematopus ostralegus). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.