El Niño By lucicorno Period: Jan 1, 1950 to Apr 13, 2016 El Nino Mar 1, 1958 1957-1958: El Nino cause damage to the California's kelp forests Aug 1, 1965 1965-1966: decline in Guano bird population in Peru. Food source scarse due to El Nino Jul 1, 1973 1972-1973: sharp drop in anchovy population May 1, 1993 1990-1995: longest southern oscillation event on record Jan 1, 1997 1997-1998: El Nino marks one of the strongest warm episodes in the last 50 years
