Dec 18, 2025 · The Klukwan giant holds the national record for black cottonwood diameter. Its nearest rival, a tree near Salem, Oregon, does hold the national height record. The Klukwan …

Dec 18, 2025 · Interior Alaskan forests have only six native tree species: white spruce, black spruce, quaking aspen, balsam poplar, larch (tamarack) and paper birch. Northern Canadian …

Jul 23, 2021 · A tree near one of our campsites had a crack at its base through which we could pass the folded saw. Yet the tree was still alive, with just one rope of cambium — the outer …

Nov 27, 2024 · Stan Boutin has climbed more than 5,000 spruce trees in the last 30 years. He has often returned to the forest floor knowing if a ball of twigs and moss within the tree contained …

Mar 20, 2024 · The late biologist Dave Klein attached the nest box to a black spruce tree north of the University of Alaska Fairbanks ski trails many years ago. In search of a mate, the owl sings …

Dec 18, 2025 · Dry foams stay in the tree tops, keeping a fire from traveling in the canopy. Wetter foams drip down into the Lower vegetation, soaking it and dousing ground fires. Besides being …

Sep 21, 2023 · A very noticeable fall equinox feature in these parts is when deciduous tree leaves turn from green to yellow or orange or sometimes red, then fade and waft to the ground. …

Apr 10, 2025 · A great horned owl perches on a spruce tree at midnight north of the Arctic Circle in Alaska. Photo by Ned Rozell. The talons of a great horned owl — this one killed by a car on …

Apr 1, 1993 · Back on the ground, I did a little research on why so few tree types grow naturally in the neighborhood. Winter's extreme cold easily eliminates some tree species hardy elsewhere. …

Nov 20, 2025 · Warmed by burning volatiles, the terpenes evaporate and fuel an expanding fireball that ignites the next tree downwind. So when you smell your Christmas tree, think of …