Scientists believe that thousands of dead birds found on Peru's beaches starved to death. Last week, the government warned people to stay off beaches while it investigated the mass deaths of birds and dolphins along the shore. Preliminary investigations suggest that a virus might have killed the dolphins, but no such evidence was found for the birds, most of which were pelicans and boobies. A new hypothesis points toward warming waters near Peru's coastline that have pushed the birds' prey, mostly anchovies, into deeper water, where the birds cannot catch them. Many of the dead birds have been underweight juveniles who do not yet know how to dive and therefore cannot feed themselves.
Read more at The Guardian