A baby Risso’s dolphin that beached itself this week died Wednesday in a tank at a Florida International University marine center, officials said.

Did sonar exercises in May by a Navy destroyer, the USS Shoup, cause several porpoises to strand themselves and die on area beaches, including Whidbey Island? Full Sto

A 20-foot gray whale was spotted Wednesday morning swimming into the mouth of the Samish River, raising concerns that the huge mammal could become stranded. Full Story

Dolphins in Cardigan Bay will be protected by a water ranger patrolling the coastline if a bid for European funding is successful. Full Story

It has long been known that dolphins use sonar to hunt and avoid obstacles, even in the dark. Full Story

Blue whales, one of the most endangered species on Earth, appear to have begun a very gradual increase in numbers. Full Story

Environmentalists have criticised the decision of the International Whaling Commission not to declare sanctuaries for whales in the southern Atlantic and southern Pacific oceans.

Japan launched a partial boycott of the International Whaling Commission (IWC) meeting on Tuesday after anti-whaling nations backed protection measures that could tear the polarized organization apart.

Japan, one of the world’s biggest consumers of whale meat, said on Tuesday it had not yet decided whether to quit the International Whaling Commission over new moves to protect marine mammals but was considering all options.

A New Zealand man trying to free a 15-metre (50 foot) humpback whale ensnared in lobster pot ropes is missing and presumed dead after being hit by the whale’s tail, police said yesterday.