When researchers from the University of British Columbia set out to film the solitary hunting habits of Northern resident killer whales, they expected to see quiet and solitary predators at work.

Research suggests that dolphins develop a lifelong vocal “name.” Here’s how they evolved this high level of social identity, once thought to be uniquely human.

Marineland, a former Canadian theme park, has reportedly threatened to euthanize the animals if they're not soon transferred ...

Canada’s minister of fisheries says Marineland’s plan to ship 34 marine mammals to aquariums in the U.S. is "solid." Animal ...

Whales, dolphins and other marine mammals are highly social, but those social ties can also help diseases spread through populations of rare or threatened species.

Perth's two dolphin groups in the Swan-Canning Rivers and further south in Cockburn Sound have been studied for more than a decade by Murdoch University researcher Dr. Delphine Chabanne, who is a ...

Dolphins, whales and seals are highly social animals. Many live in groups, form long-term relationships, and repeatedly ...

The ocean is under increasing pressure. Everyday human activities, from shipping to oil and gas exploration to urban ...

Preface -- What is a marine mammal? -- Main groups of marine mammals -- Modern taxonomy of marine mammals -- How to look for marine mammals -- Natural history of marine mammals -- Conservation -- How ...

Whales are the biggest animal on the planet, dolphins are comparably smaller, but are they all one “big” happy family? They all belong to the Order Cetacea which is the group of sea mammals that ...

Four dolphins from the Miami Seaquarium have been relocated to a marine mammal facility in the Florida Keys. Aries, Onyx, Ripley and Zo are among the 16 Atlantic bottlenose dolphins that had to find ...