Species: Chroicocephalus ridibundus Date: 1967-10-27 Country: Spain
Institution: Estación Experimental de Zonas Áridas (CSIC) Collection: Colección de Aves Basis of record: Preserved specimen Catalogue number: EEZA - Aves:1284-1 View record
Species: Chroicocephalus ridibundus Date: 1965-10-02 Country: Spain
Institution: Estación Experimental de Zonas Áridas (CSIC) Collection: Colección de Aves Basis of record: Preserved specimen Catalogue number: EEZA - Aves:59-1 View record