Biologists discovered killer whales and dolphins working together to hunt salmon, a behavior never before documented in this ...

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 ...

KELL copy Purchased from the Cullman Endowment. The eighty-nine cetacean species that swim our seas and rivers are as diverse as they are intelligent and elusive, from the hundred-foot-long, ...

One winter morning about two years ago, marine mammal scientist Anton van Helden was driving hell-for-leather up to the far north of New Zealand. A thirteen-and-a-half hour haul would take him to the ...

Deep in the Pacific Ocean, a huge whale stayed out of sight from humans for many years. People knew about it only from dead ...

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 ...

Australian scientists have discovered a razor-toothed whale that prowled the seas 26 million years ago, saying Wednesday the species was "deceptively cute" but a fearsome predator. Museums Victoria ...

In a new book called Why Whales Sing, Eduardo Mercado details his life's work to try and understand what whale songs are all about.