Whether you’re walking along a city sidewalk or hiking deep in the forest, you might occasionally notice paint marks on tree trunks. Those marks are codes used by forestry workers and contractors to ...

It's not unusual to spot markings on trees while walking through wooded areas, but one color, in particular, may catch your eye. While the meaning can vary slightly based on region or landowner intent ...

If you spend enough time surrounded by trees, you may come across some that have been marked with various colors of spray paint, using different symbols, letters, or numbers. In most cases, this is a ...

An orange circle painted on a tree in the woods - Mbprojekt_maciej_bledowski/Getty Images It's not unusual to spot markings on trees while walking through wooded areas, but one color, in particular, ...