New research suggests captive dolphins may be exposed to more microplastics than wild counterparts — a startling discovery that underscores just how deeply plastic pollution has infiltrated even ...

Study suggests the frequency, and duration of vocalizations reflect cognitive engagement Dolphins produce a range of vocalizations used for echolocation and communication. These vocalizations vary ...

OTTAWA, Ontario (AP) — Canada’s last captive whales will remain at the Marineland park near Niagara Falls for now after the federal government denied the zoo's request to ship the 30 belugas to China.

Add Yahoo as a preferred source to see more of our stories on Google. Marineland has reissued the threat of euthanizing beluga whales and dolphins if they aren’t allowed to sell them to other parks.

Dolphins "speak" more when they're learning new skills, reveals research. Captive bottlenose dolphins vary their vocalizations during "enrichment" activities, say Italian scientists. They believe ...