About 500 dead birds washed up on the river bank of the Brazilian state of Sao Paulo. Scientists believe that the birds died due to starvation. Reveals several carcasses showed that their stomachs were empty. Scientists are associated with abnormal cold snap — in water to reduce the population of fish and shrimp, which feed on penguins.
Another reason for the lack of food for birds called overfishing. Along with the penguins, biologists have found many other dead sea birds, five dolphins and three large turtles.