Dolphins and Whales News
September 6, 2016
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September 6, 2016

Scientists Establish First Map of the Sea Lion Brain

Apr. 27, 2016 — Despite considerable evidence for the California sea lion's intelligence, very little is known about how their brain is organized. Now, a team of neuroscientists has taken an important step ... read more

New Study Investigates the Environmental Cues Dolphins Use to Migrate on the Atlantic Coast of North America

Apr. 22, 2016 — Seasonal migration patterns of bottlenose dolphins -- what we know for sure? With the changing of the seasons comes the urge to migrate for many animals of the world, whether they be furred, ... read more

Right Whales Threatened by Planned Seismic Surveys Along Mid And Southeastern Atlantic Seaboard, Say Scientists

Apr. 14, 2016 — A series of seismic surveys for oil and gas planned for the mid- and southeastern Atlantic coastal areas of the United States pose a substantial threat to one of the world’s most endangered whale ... read more

Fetal and Newborn Dolphin Deaths Linked to Deepwater Horizon Oil Spill

Apr. 12, 2016 — Scientists have finalized a study of newborn and fetal dolphins found stranded on beaches in the northern Gulf of Mexico between 2010 and 2013. The study team identified substantial differences ... read more

Architecture of the Sperm Whale Forehead Facilitates Ramming Combat

Apr. 5, 2016 — A new study addresses a controversial hypothesis regarding the potential ramming function of the sperm whale's head. This hypothesis was instrumental in inspiring Herman Melville to write the ... read more

Slow Path to Recovery for Southern Right Whales

Mar. 15, 2016 — The first population assessment since the end of the whaling era reveals that New Zealand southern right whales have some way to go before numbers return to pre-industrial levels. Scientists used ... read more

New Maps Reduce Threats to Whales, Dolphins

Mar. 3, 2016 — Biologists have created highly detailed maps charting the seasonal movements and population densities of 35 species of whales, dolphins and porpoises -- many of them threatened or endangered -- in US ... read more

Whales Dine With Their Own Kind: Predators Feed in Species-Specific Hotspots

Mar. 2, 2016 — Researchers have found that as multiple species of whales feast on herring, they tend to stick with their own kind, establishing species-specific feeding centers along the 150-mile length of Georges ... read more

Minke Whales Are Predominant Prey of Killer Whales in Northwest

Feb. 22, 2016 — The ecology of the orcas that live around Newfoundland and Labrador has been the focus of recent research. About 200 killer whales are believed to live in the area, most of which are seen in the ... read more

Rare Beluga Data Show Whales Dive to Maximize Meals

Feb. 12, 2016 — As the Arctic continues to change due to rising temperatures, melting sea ice and human interest in developing oil and shipping routes, it's important to understand belugas' baseline ... read more

Ship Noise Extends to Frequencies Used by Endangered Killer Whales

Feb. 2, 2016 — When an endangered orca is in hot pursuit of an endangered salmon, sending out clicks and listening for their echoes in the murky ocean near Seattle, does the noise from the nearby shipping lane ... read more

Were Panamanian Islanders Dolphin Hunters?

Jan. 7, 2016 — Dolphins played an important part in the diet of inhabitants of Panama's Pedro Gonzalez Island 6000 years ago. But did they hunt dolphins from dugout canoes, or use another technique to capture ... read more

Killer Whales Feast on Salmon in Summer

Jan. 6, 2016 — Salmon are the primary summer food source for an endangered population of killer whales in the Pacific Northwest, according to an analysis of fish DNA in killer whale ... read more

West Coast Marine Mammals Respond to Shifting Conditions, New Research Shows

Dec. 16, 2015 — Humpback whales off the West Coast consume thousands of pounds of krill, plankton and small fish each day. Research shows that humpback diets reflect their surroundings, with the truck-sized whales ... read more

Rapid Arctic Warming Drives Shifts in Marine Mammals

Dec. 14, 2015 — New hydrophone surveys of migration gateways to the Arctic show that recent extremes in sea ice loss has opened new waters to humpback and fin whales that once ranged through the far north only in ... read more

Scientists Discover 'White Whale' Fossil

Dec. 9, 2015 — A 15-million-year-old fossil sperm whale specimen from California belongs to a new genus, according to a new ... read more

Study Measures Drag from Fishing Gear Entanglements on North Atlantic Right Whales

Dec. 9, 2015 — For the first time, researchers have quantified the amount of drag on entangled whales that is created by towing fishing gear, such as rope, buoys, and lobster and crab traps. The study provides ... read more

Belugas Blow Bubbles Based on Mood

Dec. 7, 2015 — A newly-released study is providing insight into why Beluga whales blow bubbles underwater and how their different shaped bubbles may be indicative of a Beluga’s ... read more

Vessel Speed Biggest Factor in Noise Affecting Killer Whales

Dec. 2, 2015 — The speed of vessels operating near endangered killer whales in Washington is the most influential factor -- more so than vessel size -- in how much noise from the boats reaches the whales, according ... read more

Tiny New North Pacific Fossil Whale from 30 Million Years Ago

Dec. 2, 2015 — A new species of fossil baleen whale that lived in the North Pacific Ocean 30 to 33 million years ago has been described. The whale, named Fucaia buelli by the researchers, is transitional between ... read more
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