Stored cones can be edible up to four years, he said, and multiple squirrels will use the same midden at different periods over time. At least one midden they studied was active for 31 years and ...

Female (left) and male spruce cones at the Arnold Arboretum. ... red or yellow. This year, one young spruce is putting on an extra-special show: most of its cones are rare hermaphrodites. ...

More spruce cones more pups: Study says male squirrels leave wealthier estates. Emily Blake ... Red squirrels that inherit food stores from males increase pup production by 50 per cent, says study .

Red squirrels do well in an abundant year for spruce and balsam cones, eating as many as fifty a day. Introduced to Newfoundland for the first time in the 1960s, squirrels eat as much as two ...

Nov. 20, 2022. MOAB, Utah — Blake Votilla stared up at the 120-foot spruce tree. He strapped braces with four-inch spurs to his shins and clipped two large red plastic sacks on his climbing harness.

A red squirrel pauses on a tree on the University of Alaska Fairbanks campus. (Photo by Ned Rozell) Stan Boutin has climbed more than 5,000 spruce trees in the last 30 years.

If you've recently walked down a street and stopped in your tracks after spotting far more cones than expected on a spruce tree, you're not the only one. According to Ed Johnson, Professor of ...

The 78-foot-tall red spruce came from the Pisgah National Forest in North Carolina. As it glitters on the National Mall, advocates are hoping to draw attention to the challenges the trees face in ...

The U.S. Forest Service and the National Forest Foundation are raising money to build a state-of-the-art nursery at which to grow red spruce seedlings — including some from cones harvested from ...

A newly released research paper stemming from University of Vermont’s Keller Laboratory examining the impacts of genomically diverse seedlings on the resilience of red spruce forests in a ...