Wild bottlenose dolphins design unique signature whistles to identify themselves, and they answer when a close cohort calls them by name, researchers said Monday.
New research by University of Otago scientists has shown that the Hector's dolphin, an endangered species found only in New Zealand, is more at risk from amateur fishing in Akaroa Harbour than had been thought.
Oil and gas companies working in the Gulf of Mexico have agreed not to use seismic surveys for the next 30 months in three areas considered critical to whales and along the coast during the calving season for bottlenose dolphins.
Conservationists Tuesday warned that the number of rare Chinese white dolphins in Hong Kong waters has fallen to its lowest level in a decade of monitoring, and urged the government to immediately create more protected areas.
New Zealand is facing pressure to save the world's rarest dolphin at an international scientific meeting underway this week in what conservationists say is a test of the nation's "clean, green" credentials.
In the ocean off Coronado, a Navy team has discovered a relic worthy of display in a military museum: a torpedo of the kind deployed in the late 19th century, considered a technological marvel in its day.
Endangered brush-tail rock wallabies raised in captive breeding programs carry antibiotic resistance genes in their gut bacteria and may be able to transmit these genes into wild populations, according to research published ...
In the United States, rivers and their floodplains are well-documented and monitored. Ecuador's largest river, however, remains largely mysterious. Research led by Michigan State University is helping the South American country ...
A 13-year-old dolphin was Saturday being transported to an ocean pen off a South Korean island for training to prepare it for release back into the wild after four years in a Seoul zoo, officials said.
Conservationists warned Monday that Hong Kong may lose its rare Chinese white dolphins, also known as pink dolphins for their unique colour, unless it takes urgent action against pollution and other threats.