tree hollow
A cavity in a tree trunk or branch, often formed as inner wood decays and sometimes used by wildlife for shelter.
Natural trunk hollow in a living mature oak (Quercus robur)
All languages
- English
- tree hollow
- Norwegian
- hulrom i tre
- Japanese
- 木のうろ — きのうろ — ki no uro
- Korean
- 나무 구멍 — namu gumeong
- Spanish
- hueco de árbol
- French
- cavité d'arbre
- German
- Baumhöhle
Illustrations are AI-generated and translations are undergoing language review.
Reference sources
- US Forest Service hazard-tree guide — wounds can admit decay; later growth may seal the wound with callus while decay becomes a hollow cylinder inside a sound wood shell
- US Forest Service — compartmentalized decay can cause hollow trees while the living tree survives with a healthy crown
- US Forest Service Silvics — living northern white-cedar stems can decay and become hollow with exposed wood