Dr. Dirt: Stop squirrels from tearing up trees
Arborist Arborilogical
Construction and Trees
Take action to avoid winter tree injury – Central Kansas Lawn & Garden Blog
Take action to avoid winter tree injury – Central Kansas Lawn & Garden Blog
How To Prevent Squirrel Damage To Trees [Signs, & Salvage Tips]
Squirrel Tree Guard
What is Stripping the Bark Off My Trees in Winter?, Organic Plant Care LLC
Create urban forest diversity with variety of native trees
Master Gardener: Squirrel damage to bark is rarely fatal for tree