- Data from: Relatedness and spatial proximity as determinants of host-parasite interactions in the brood parasitic Barrow's goldeneye (Bucephala islandica)(2010-06-02) Jaatinen, Kim; Jaari, Sonja; O'Hara, Robert; Öst, Markus; Merilä, Juha; University of Helsinki - Jaatinen, Kim; University of Helsinki - Jaari, Sonja; University of Helsinki - O'Hara, Robert; ARONIA Coastal Zone Research Team, Raseborgsvägen 9, FI‐10600 Ekenäs, Finland* - Öst, Markus; University of Helsinki - Merilä, Juha