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Squirrels Licking Mildew: Odd but Harmless Behavior

Squirrels gnaw and lick strange things—aluminum wire, brick mortar, plastic buckets, gas cans. The squiggly lines on your porch walls are likely from squirrels licking mildew or mineral deposits. It's bizarre but not damaging to the structure. Add it to the list of weird squirrel habits.

About Gardening: Squirrels on Roof via Power Lines: Call Utility, Don't DIY; Protecting Your Container Garden from Squirrels; Squirrel-Proofing Container Gardens: Traps, Repellents, and Exclusion; Squirrel Caught Eating Goldfish from Pond; Squirrels: Ground and Tree Squirrel Issues; Squirrel Nest Reuse and Population Dynamics; Squirrels Stripping Tree Leaves: Temporary Nuisance; Why Squirrels Lick Mortar and How to Redirect Them; Stop Squirrels from Ruining Your Tomatoes: Trapping and Early Harvest; Where Do Squirrel Droppings Go? (And Other Squirrel Mysteries)

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