The use of distress calls to repel night herons (Nycticorax nycticorax) from fish ponds. Published online01 Jan 1981Content typeJournal articleJournal titleJournal of Applied EcologyDOI10.2307/2402325 Author(s)Spanier, E. Publication languageEnglish View Key wordsbird repellentsfish cultureaquacultureView