Officials have said the dolphins ' deaths were not due to lack of food , interaction with fisheries , poisoning with pesticides , biotoxin poisoning or contamination by heavy metals . The health ministry asks people to avoid beaches in Lima and north of the capital . The warning comes after the discovery of hundreds of dead pelicans and dolphins . A man walks past a pile of garbage on a street in Lima, Peru, Wednesday, May 31, 2016.
The health ministry asks people to avoid beaches in Lima and north of the capital . The warning comes after the discovery of hundreds of dead pelicans and dolphins . A man walks past a pile of garbage on a street in Lima, Peru, Wednesday, May 31, 2016.