Browse News Stories
221 to 230 of 312 stories
view headlines only
-
Gray Whales A Fraction Of Historic Levels, Genetic Research Shows
September 10, 2007 Gray whales in the Pacific Ocean, long thought to have fully recovered from whaling, were once three to five times as plentiful as they are now, according to a new article. A vastly reduced ... > full story -
PCBs May Threaten Killer Whale Populations For 30-60 Years
September 10, 2007 Orcas or killer whales may continue to suffer the effects of contamination with polychlorinated biphenyls (PCBs) for the next 30 to 60 years, despite 1970s-era regulations that have reduced overall ... > full story -
Migrating Squid Drove Evolution Of Sonar In Whales And Dolphins, Researchers Argue
September 5, 2007 Sperm whales, dolphins and other "toothed" whales hunt squid so deep in the ocean they must rely on biosonar. Paleontologists argue for a likely evolutionary scenario that explains how these whales ... > full story -
Humpback Whales Recorded Clicking And Buzzing While Feeding For First Time
September 1, 2007 For the first time, researchers have recorded "megapclicks" -- a series of clicks and buzzes from humpback whales apparently associated with nighttime feeding behaviors -- in and around NOAA's ... > full story -
Where Have All The Dolphins Gone This Summer?
August 20, 2007 Researchers from the wildlife conservation charity Marinelife are extremely concerned about what it is NOT seeing this summer in the Bay of Biscay. The BDRP surveys have detected more than 20 species ... > full story -
World Conservation Union Panel Voices Concern Over Impact Of Noise On Whales
July 22, 2007 Scientists highlight the importance of noise limits for energy companies operating in Russia to protect the critically endangered western gray whale. An independent scientific advisory panel ... > full story -
Sonar Study Shows No Harm To Trout
July 22, 2007 High powered sonar, like that used by U.S. Navy ships, did not harm test fish, including their hearing, in a controlled setting. The research team found that exposure to high intensity, low frequency ... > full story -
Killer Whales Metabolize Contaminants, Yet Still Show Record-High Contamination Levels
July 21, 2007 Killer whales hold the gloomy record of being the most-polluted European arctic mammal, says a new study published in the latest issue of Environmental Toxicology and Chemistry. Levels of ... > full story -
New Nature Reserve For The Russian Arctic
July 5, 2007 A new nature reserve has been approved for Vaigach Island in the western Russian Arctic by the Nenets Autonomous District administration. The new 243,000-hectare nature reserve will help protect ... > full story -
Whale Has Super-Sized Big Gulp
June 15, 2007 How does the largest animal on earth survive on a diet of the smallest of prey? By having a jaw that spans a quarter of its body length, an enormous mouth that goes from the head to the belly button, ... > full story
Search ScienceDaily
Number of stories in archives: 137,122

