Scientists have gained a new insight into the evolution of baleen whales after the discovery of fossil remains from 36 million years ago at Playa Media Luna in Peru.
SeaWorld's financial figures for the first quarter of the year saw its revenues drop by around 15% compared with the same period in previous year. Although overall losses improved, visitor numbers also fell, the company putting much of this down to a late Easter.
Makers of a new film documenting one of the greatest environmental crimes of the 20th Century are appealing for funds to finalize the project, which shines a light on a tragic episode in history.
France has banned the breeding in captivity of dolphins and orcas (killer whales), a move that represents a major boost for WDC’s ongoing campaign to end to whale and dolphin captivity shows.
A study analysing the health of two wild dolphin populations claims that wild dolphins are exposed to more pollutants than those held captive in concrete tanks.
The study in the journal PLOS ONE, compared to two populations of captive dolphins in Georgia and California with two wild dolphin populations also in the US, in Florida and another in South Carolina.
A marine park in Australia, Coff's Harbour Dolphin Marine Magic, is being taken to court over its advertising claims that dolphins held at the park are "happy and healthy".
Animal welfare charity, Australia for Dolphins, claims that the public are being misled under Australian consumer law and that the dolphins suffer from stress and the risk of early death.
The case will now be heard in the Federal Circuit Court. Five bottlenose dolphins are currently held at the park.
Most whales are known for their loud underwater calls that can reach across many miles of ocean, but scientists have revealed that newborn humpback whales and their mothers frequently whisper to each other as part of a defence mechanism against attack.
The study, by researchers from Denmark and Australia revealed unique, intimate forms of communication between mothers and calves thought to be used to avoid any potential predators like orcas from listening in, locating and then killing the calves
The meetings of the International Whaling Commission undoubtedly generate passionate debate from all sides, but "exciting" is probably not a term you would usually use to describe the proceedings.
Two Indo-pacific bottlenose dolphins held at the Seoul Grand Park aquarium in South Korea are to be released back into the wild in July.
Geumdeung and Daepo, both male dolphins, were captured in a fishing net in 1997 and 1998 respectively and have spent nearly twenty years in captivity since.
It is believed the decision to release them came from the local mayor, Park Wan-soon. The dolphins will spend the next few months being prepared for their release.