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Ancient Whale fossil discovered in Santa Cruz mountains  , - ,   4-million-year-o...

Image: Whale Fossils in the Santa Cruz Mountains: Bones May Be 4 Million Years Old.

Humpback whales in the Gulf of Maine catch prey with advanced water technology. Humpback whales (Megaptera novaeangliae) are large baleen whales (up to 14 m long) that feed on a small prey in dense concentrations, such as krill or herrings.

Aerial photo of bubbles forming a spiral at the surface

The underwater gliders allow scientists and the public to follow large baleen whales as they swim off the coast.

Whales heard 'all the time' on new tracking app

Researchers seek fishing ground closures off N., to protect right whales

Baleen Whales Can Feel It in Their Bones  A humpback whale calf swimming in the Indian Ocean. (Photo: Joost van Uffelen/Shutterstock)

A first-of-its-kind study sheds light on the elusive subject of whale noises.

Understanding how baleen whales hear has posed a great mystery to marine mammal researchers. New research by San Diego State University biologist Ted W. Cranford and University of California, San Diego engineer Petr Krysl reveals that the skulls of at least some baleen whales, specifically fin whales in their study, have acoustic properties that capture the energy of low frequencies and direct it to their ear bones.

Little is known about how baleen whales process low-frequency sounds. Now, researchers have found that baleen whales have specialized skulls that can capture the energy of low frequencies and direct it toward their ear bones to hear.

Newly discovered sensory organ in the chin of baleen whales allows them to be world's largest hunters

Scientists at the University of British Columbia and the Smithsonian Institution in Washington, D., have identified an organ that helps rorqual whales open and close their giant mouths underwater during the process known as lunge feeding.

Perhaps the least glamorous way to study whales is to race to where they just surfaced to scoop up their poop. But the floating feces have revealed a surprise about the microbes living in these giant marine mammals' guts. Although baleen whales are carnivores, filter-feeding on fish, krill, and other crustaceans, some of the microbes in their bellies look more like those of a vegetarian, microbiologists reported yesterday in Nature Communications.

Floating poop reveals the surprising bacterial partners of whales - Though carnivores, whales share some microbes with ruminants such as cows