Nature Almanac: Ailing Aspens

Ailing Aspen Trees – Leave that turn brown or black instead of gold are an increasing sign of ailing aspen trees along the Front Range.

brown aspen leavesBoulder Naturalists Steve Jones and Scott Seevers take a look at the health of local aspen trees . . . and also find an aspen that’s got black claw scars — evidence it was climbed by a bear. Images courtesy of Steve Jones.