Alaska bears alert scientists to secret salmon streams

Alaska bears alert scientists to secret salmon streams Right now, on the brushy tundra of northern Alaska, grizzly bears are gathering at quiet streams and rivers, attracted by the largest calorie reward they can find — spawning salmon. Until recently, scientists did not know salmon swam up some of these waterways, nor [...]

Alaska Bears Harass Unmanned Science Instruments

Alaska Bears Harass Unmanned Science Instruments By Ned Rozell [fusion_dropcap]I[/fusion_dropcap]nterior Alaska is a hungry place — lots of boreal forest and swampy wetlands with big, flat rivers winding through. Wildlife sightings, especially of big mammals, are rare. But a recent video posted by a seismologist makes the Tanana River flats look like the Serengeti. A [...]

Alaska Polar Bears Walking a Treadmill of Ice

Alaska Polar Bears Walking a Treadmill of Ice By Ned Rozell Stronger winds and thinner ice are forcing Alaska polar bears to work harder to remain in Alaska, according to scientists who have studied increased movements of both sea ice and bears. "There's an energetic cost to stay in Alaska," said David Douglas of the [...]