Species: Chroicocephalus ridibundus Date: 1970-02-15 Country: Spain
Institution: Estación Experimental de Zonas Áridas (CSIC) Collection: Colección de Aves Basis of record: Preserved specimen Catalogue number: EEZA - Aves:1093-1 View record
Species: Chroicocephalus ridibundus Date: 1967-02-11 Country: Spain
Institution: Estación Experimental de Zonas Áridas (CSIC) Collection: Colección de Aves Basis of record: Preserved specimen Catalogue number: EEZA - Aves:175-1 View record