Alaska Caribou Cams Give Insight Into Secret Lives

Alaska Caribou Cams Give Insight Into Secret Lives Caribou wearing cameras around their necks have filmed a secret world of mushroom nibbling, desperate head-shaking during bug episodes, and nuzzling of wet newborns seconds after they fall to the tundra. The caribou cams gave biologists who teamed up from several agencies a new [...]

Black-capped Chickadees Survive By Shivering in Alaska

Black-capped Chickadees Survive By Shivering in Alaska December 24, 2020 / Ned Rozell During the darkest days of Alaska’s winter, black-capped chickadees stuff themselves with enough seeds and frozen insects to survive 18-hour nights. Where the chickadees spend those long nights was a mystery until a biologist tracked them. Susan Sharbaugh spent [...]

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 [...]

Remarkable groove slides gold into Alaska

Remarkable groove slides gold into Alaska By Ned Rozell Nate Becker lives with his family on a quiet stretch of the Yukon River as it flows into Alaska. On a recent ski trip, I visited the Beckers’ home along with two geologist friends. Nate had a question for them. “Why are all [...]

What We Learned from Mt. Redoubt’s Eruption 30 Years Ago

What We Learned from Mt. Redoubt's Eruption 30 Years Ago By Ned Rozell On December 15, 1989, a pilot who had flown a 747 passenger jet all the way from Amsterdam was looking forward to landing in Anchorage. There, he would take a short break before continuing to Tokyo. Descending over Southcentral Alaska, he and [...]

Fish Tapeworms Found Near Fairbanks Alaska Pond – Ligula intestinalis

Fish Tapeworms Found Near Fairbanks Alaska Pond By Ned Rozell A few times each week, someone carries something dead or alive through the doors of the UA Museum of the North, hoping an expert can identify it. A couple weeks ago, a woman arrived with a small jar of what appeared to be white worms. [...]

Monitoring a mystery bird in Yakutat, Alaska

Monitoring a mystery bird in Yakutat, Alaska By Ned Rozell YAKUTAT — On sandy barrier islands between mountains and the sea, two different birds that look alike lay their eggs side-by-side. Biologists here are learning more about the less-common, more mysterious one. Arctic terns and Aleutian terns gather together on ocean spits to scratch out [...]

Changing Climate Forcing Ducks North to Alaska

Changing Climate Forcing Ducks North to Alaska By Ned Rozell Every spring, millions of ducks touch down on Yukon Flats National Wildlife Refuge, a spread of muskeg and dark water the size of Maryland. These days, more ruddy ducks seem to be among them. Recent sightings of this handsome, rust-colored bird — the males with [...]

Detecting Alaska’s Next Earthquake in Realtime

Detecting Alaska's Next Earthquake in Realtime By Beth Grassi Across Alaska and a sliver of western Canada, 280 seismic stations silently do their jobs. Hidden in dark holes drilled into rock in boreal forest, northern tundra and mountaintops, the instruments wait patiently for the next tremor. The EarthScope Transportable Array of seismic monitors is now [...]