Native
Introduced
Reintroduced
Vagrant
Native (uncertain presence)
Regionally extinct vagrant
Regionally extinct
Synonyms : 角鸬鹚 (cn), kormorán ušatý (cz), Ohrenscharbe (de), Øreskarv (dk), Double-crested Cormorant (en), Cormorán Orejudo (es), amerikanmerimetso (fi), Cormorano doppiacresta (it), ミミヒメウ (jp), Geoorde Aalscholver (nl), Totoppskarv (no), kormoran rogaty (pl), Ушастый баклан (ru), Öronskarv (se), kormorán ušatý (sl)
Double-crested Cormorant