What's a Tree Hollow

A tree hollow is a hole or cavity in a living tree. While it may seem like a detriment to the tree, it's an important part of the surrounding environment.

Wilderness Society Why are hollow-bearing trees so important?

Baobab, Description, Species, Distribution, & Importance

Why are Ancient Tree Trunks Hollow? - Woodland Trust

Why are some trees hollow? - Quora

Tree Hollow: Most Up-to-Date Encyclopedia, News & Reviews

Finding Moses Cleaveland Trees in Cuyahoga Valley (U.S. National Park Service)

Hollow is the Heart(wood) - Urban Forest Dweller

Hollow Tree - Secrets, Haints, and Wisdom - Welcome to Cottage in the Court

Inside hollow tree hi-res stock photography and images - Alamy

What's wrong with this oak and should I worry about this hollow area in the trunk? : r/arborists

All sizes, Tree hollow