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Ben Gaglioti, an ecologist at the University of Alaska Fairbanks, stands next to a mountain hemlock tree damaged in winter on the outer coast of Glacier Bay National Park in Southeast Alaska. (Courtesy Photos / Ned Rozell)

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Alaska Science Forum: Bonsai trees tell of winters long past

By Ned Rozell

A male red-winged blackbird displays his red epaulets (Courtesy Photo / Bob Armstrong)

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Watching red-winged blackbirds

Their favorite foods include dragonflies and damselflies.

. Lewis Sharman crosses a fallen Sitka spruce tree over Echo Creek just north of Lituya Bay in Southeast Alaska. (Courtesy Photo / Ned Rozell)

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Rugged science on the Southeast coast

The first creek we crossed on this trip filled my Xtratufs with clear water.

A male cloudberry flower resembles a female flower but has no visible ovaries. (Courtesy Photo / Kerry Howard)

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On the Trails: Blooms, birds and bears in June

Notes from June.

Katey Walter Anthony and Peter Anthony in Cherskii, Russia. (Courtesy Photo / Katey Walter Anthony)

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Alaska Science Forum: Scientist’s memoir is revealing and brave

“Chasing Lakes: Love, Science, and the Secrets of the Arctic.”

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Alaska Science Forum: The worst fire year we can remember

Here’s how it happened.

A male red-winged blackbird displays his showy red patches and calls to a rival male (Gina Vose photo)

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On the Trails: Birds and beetles at Kingfisher Pond

Something is almost always happening at Kingfisher Pond.

Heather Best (in water), a USGS hydrologist, prepares to toss a road-grader blade with a river-measuring device attached into the Yukon River near Eagle, Alaska. USGS hydrologic technician Liz Richards watches for icebergs. (Courtesy Photo / Ned Rozell)

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Alaska Science Forum: Wading into the icy Yukon River for science

EAGLE, ALASKA — Snow geese flew in a ragged V overhead, rasping as they looked down upon Alaska’s…

A golden-crowned sparrow nibbled on elderberry flower buds. (Courtesy Photo / Bob Armstrong)

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On the Trails: Enjoying birds, blooms and more near the Mendenhall Glacier

The trail to Nugget Falls was a lively place in early May.

A white-winged scoter handles a prickly sea urchin. (Courtesy Photo / Bob Armstrong)

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On the Trails: An April scrapbook of little observations

Spring wings and other things.

The frozen Yukon River at Eagle, Alaska, in February 2020. (Courtesy Photo / Ned Rozell)

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Alaska Science Forum: Awaiting river breakup on the Yukon

By Ned Rozell

This photo shows black garden ants tending citrus mealybug. When injured, colonial animals such as ants and bees, may emit a type of alarm signal that also calls in reinforcements, to help repel possible danger.(Courtesy Photo / Katja Schulz from Washington, D. C)

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On the Trails: The smell of fear

It’s not fiction.

The author’s dog Cora rides a canoe on the Yukon River. Two-thirds of all the flowing water in Alaska makes its way into the Yukon. (Courtesy Photo / Ned Rozell)

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Alaska Science Forum: Alaska’s water crop is a natural resource

Alaska’s freshwater supply is so abundant the numbers are hard to comprehend.

Dachshund dogs wait in a box before competition at a dog show in Dortmund, Germany, on Friday, Oct. 13, 2017. Research released on Thursday, April 28, 2022, confirms what dog lovers know _ every pup is truly an individual. A new study has found that many of the popular stereotypes about the behavior of specific breeds aren’t supported by science. (AP Photo / Martin Meissner)

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Your dog’s personality may have little to do with its breed

By Christina Larson

George Divoky and his friend Matt Thomas pose in front of Divoky’s cabin on Cooper Island after repairing polar-bear damage in April, 2022. (Courtesy Photo / Craig George)

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Alaska Science Forum: His 48th summer on top of the world

In the ’80s, 225 pairs of black guillemots nested on Cooper Island. Last year: 25 pairs counted.

Nikki is an old favorite that we see near the Mendenhall Glacier Visitor Center; here she is with a couple of new cubs. Black bears mate in early summer, but the fertilized egg is not implanted until fall; then gestation takes about seven months, resulting in a tiny cub that won’t emerge from the den until early summer. (Courtesy Photo / Kerry Howard)

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On the Trails: Reproductive delays in mammals

By Mary F. Willson

Two dogs greet each other Jan. 7, 2022, when the temperature was minus 22F and the sun set before 5 p.m. (Courtesy Photo / Ned Rozell)

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Alaska Science Forum: Endless northern winter about to end

The end is in sight.

This photo, available under a Creative Commons license, shows a European robin. While its name is similar to that of the American robin, they are not closely related. (Courtesy Photo / Charles J. Sharp)

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On the Trails: Same name, very different birds

A tale of two (or more) robins.

The paw of an anesthetized female lynx trapped north of the Arctic Circle that weighed 22 pounds. (Courtesy Photo / Ned Rozell)

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Alaska Science Forum: Live-trapping lynx in the far north

By Ned Rozell

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Sustainable Alaska: Cosmic consciousness, Earth Day, and the magic of time and space

Earlier this spring I had the great privilege of skiing from Knik Lake to McGrath…