Search our collection of background (non-event) articles from news media, science journals and other sources.
The number of gray whales migrating along the Pacific Coast of North America has steadily declined by nearly 40 percent from a 2016 peak, and the population produced its fewest calves on record this year, according to U.S. research released on Friday.
The number of endangered beluga whales in Alaska’s Cook Inlet increased slightly the past four years, according to a new estimate by federal biologists.
The Institute of Tribal Environmental Professionals (ITEP) Tribes and Climate Change Program is publishing a report called the Status of Tribes and Climate C...
This study examines another mechanism of human impact on large species. If humans hunted a keystone species to a certain tipping point or extinction, they may have indirectly triggered a collapse of a complex ecosystem, leading to a chain reaction resulting in the extinction of other species. Since it is difficult to study ecosystems that existed thousands of years ago, the authors researched a more recent megafauna extinction event of the Steller’s sea cow in the mid-1700s, for which a few in person observations from Georg Steller exist.
A new research project is building a timeline of mercury levels in the Aleutian Islands over the last few thousand years.
Marine hunters of eastern Chukotka often encounter "stinky" whales whose meat is unsuitable for food. The situation has become a problem for local residents. Researchers from Moscow State University and the Beringia National Park believe they have found the causes of an unpleasant odor in animals.
The animal was until now called a Gulf of Mexico Bryde’s whale. The species is considered the region’s only baleen whale, known for comb-like plates in their mouths that strain food in lieu of teeth.The new name designation awaits recognition from a committee, in a process similar to peer review. Scientists have suggested calling the animal the Rice’s whale, after Dale Rice, a biologist who first recognized them in the gulf.
The endangered population continues to slip and calf numbers are few, but no single factor has been identified as the cause.
Twenty-two sea lions have been found dead on beaches in California, with many more found sick.
Coxiella burnetii, a zoonotic bacterium, has recently been identified in several marine mammal species on the Pacific Coast of North America, but little is known about the epidemiology, transmission, and pathogenesis in these species.
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