Cliff Cantor September 14, 2018 Why are Douglas-fir cones falling when they're still green? Cliff Cantor September 14, 2018 Something is causing green Douglas-fir cones to fall from the trees before they are ripe. And, the cones are getting piled up into mounds. Who’s doing this?
Cliff Cantor September 29, 2017 Maple seeds: nature's helicopters Cliff Cantor September 29, 2017 This is the season that winged seeds of maple trees helicopter down to the ground. What advantage do the whirling seeds provide to maple trees?
