Humpback whales (Megaptera novaeangliae) like the ones pictured here with bottlenose dolphins (Tursiops truncatus) in Kona, Hawaii, appear to be more open to interacting with fellow cetaceans.

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 ...

SAN ANTONIO, TX -- An ailing 12-year-old dolphin has died at SeaWorld San Antonio in the park's fourth animal death since last summer. A SeaWorld official said Tuesday that necropsy results are ...

SAN DIEGO — A toxic algae bloom stretching from San Diego to San Luis Obispo has led to the deaths of hundreds of marine animals, including whales, dolphins, and sea lions. Scientists have confirmed ...

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Researchers have observed dolphins and killer whales hunting together for the first time as part of a new study released on Thursday, Dec. 11. The top predators joined forces to feast on salmon off ...

Images of the two killer whales who have been left behind at Marineland Antibes Newly released footage of two killer whales and 12 dolphins that have been left behind at the closed Marineland Antibes ...

SeaWorld Orlando officials announced the death Sunday of a 50-year-old killer whale named Katina. “Her health had begun to significantly decline as she entered her geriatric years,” the theme park ...

Researchers analyzed nearly 200 whale-dolphin interactions, and conclude: They sure do seem friendly. Humpback whales (Megaptera novaeangliae) like the ones pictured here with bottlenose dolphins ...