The roughly 800 dolphin deaths observed off central and northern Peru are likely a result of natural causes, Fox New Latino website said on Wednesday, citing a government agency finding.
Meanwhile, deaths of more than 1,200 pelicans were blamed on starvation, owing to warming-induced migration of the cold-water fish that are the birds' food.
According to Peru's Sea Institute, human activities have been "ruled out as a direct cause of death" for the dolphins. However, the report left the exact cause of death undetermined.
As for the pelican deaths, these were attributed to lack of food, a government minister stated told a Peru radio audience on Tuesday.
Migration of cold-water fish away from the coast has followed warming of the sea surface off central and northern Peru. Most of the dead birds were found to be "very young pelicans", inexperienced in gathering their own food.
The hundreds of dead seabirds were found along a stretch of beaches in Piura and Lambayeque regions earlier this year, leading to calls for an official investigation.
The Bardarbunga volcano began to erupt in Iceland, according to the Icelandic Met Office.
A great white shark was spotted at Duxbury Beach in Massachusetts earlier this week, forcing the evacuation of the water.
It's been a tumultuous week on both the East and West coasts as two hurricanes induced rough surf and a high risk for rip currents.
There is the risk of severe weather, including tornadoes on Sunday from the northern and central Plains to part of the Upper Midwest.
After a brief cooldown late this week, very warm and humid air will bounce back during the Labor Day weekend.
During thunderstorms in Sweden one person was trying to capture the beauty of an intense rainbow when lightning struck nearby.
New England (1816)
"Year in which there was no summer", otherwise known to weather historians as "1800 and frozen to death" killing frost once again damages sparse corn corp in northern New England...loss of this and other crops led to severe famine in much of New England that winter...and helped spur western migration in spring of 1817.
New England (1965)
A total of 2.5 inches of snow on top of Mt. Washington set an August record. Vermont had a reading of only 25 degrees, while Nantucket had a chilly 39 degrees. Earliest freeze on record at many stations.
Houston, TX (1980)
2.23 inches of rain fell in less than 1 hour. Streets were flooded in the downtown district and a tornado touched down briefly west of Houston at Sealy, TX.