tree hollow
Owl's woodland home
A tree hollow is a cavity or hole in a tree, typically formed when decay follows damage to bark or branches.
Tree hollows provide crucial habitat for wildlife—owls, squirrels, possums, and countless other species nest or shelter in them.
The raccoon made its den in a tree hollow.
Older trees develop larger hollows, making old-growth forests particularly valuable for cavity-dwelling animals.
Nocturnal feathered predator
- woodpeckerTree-drilling bird
- squirrelBushy-tailed tree rodent
- possumPouch-bearing mammal
- raccoonMasked North American omnivore
kookaburra · bat · dormouse · treecreeper · nuthatch · parrot · hornbill · flying squirrel
Private room or lair
- nestAnimal-built shelter for young
- roostBird's sleeping spot
- lairAnimal's hidden dwelling
- dreyArboreal rodent's nest
burrow · refuge · sanctuary · habitat · cavity · hideout · nesting · roosting
owl
Nocturnal feathered predator
- woodpeckerTree-drilling bird
- squirrelBushy-tailed tree rodent
- possumPouch-bearing mammal
raccoon · kookaburra · bat · dormouse · treecreeper · nuthatch · parrot · hornbill · flying squirrel · sugar glider
den
Private room or lair
drey · burrow · refuge · sanctuary · habitat · cavity · hideout · nesting · roosting · overwintering
cavity
Empty space within
deadwood · snag · heartwood · trunk · branch · bark · knot · decomposition · ecosystem · microhabitat
hidden
Kept out of sight
concealed · treasure · discovery · curiosity · darkness · shadowy · obscured · unknown · exploration · tucked away
- forest lifesquirrel, fox, rabbit, owl, woodpecker
- animal homesnest, den, burrow, hive, lair
- forest featuresredwoods, old-growth forest, sequoias, ancient forest, fallen log
- hollowscavity, crater, dent, hole, dimple
- nestsmud nest, robin nest, owl nest, hummingbird nest, woven
- animal densburrow, den, warren, hole, lair
tree, hollow, trees, hollowed, hollowness, hollowing, reforestation, reforest, treelike