A bottlenose dolphin released from captivity three years ago has been spotted with a calf in waters off South Korea.
Staff at Chicago’s Shedd Aquarium got a rare, thrilling, up-close look at the birth of a Pacific white-sided dolphin.
Modern dolphins fine-tuned their ability to use sound to map their world at least 26 million years ago.
A study blames chronic illnesses in mothers exposed to the oil for the deaths of their young.
The rule was enforced after a ship loaded with coal capsized, threatening the sanctuaries of dolphins in the world’s largest mangrove forest.
Climate change may have sealed the fate of marine reptiles that ruled the oceans for 157 million years, suggests an analysis of fossils.
Beachgoers at a resort in Argentina pass the animal around while it quickly dehydrates.
An immense portion of the Great Bear Rainforest in British Columbia has just gained new protections.
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