The 1997 El Niño/Southern Oscillation (ENSO 97-98): Biological observations possibly related to El Niño  

Central America
	Marine life	Birds	Disease	Other
September	06  17			May-Sep  01  06  20
October				03  15  20
November	09  13			09  13  19
December				03  22
January	25			25
February				03  24
March				09  11  19  23
April	01  14
May		30		13  26  05
June			09 30
July			17 30

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