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Natural scene from Wisconsin state park
Fir forest. Rotten tree.
Holes in a tree trunk as new place for birds and insects. Dead tree as new environment and habitat for a lot of wild animals in a forest. The old wooden material is a perfect nest.
Fresh pileated woodpecker borings in white pine tree, deep in the Connecticut woods
A hollow in a tree. The result of the woodpecker's work
근호 책닥 따구리 새끼 수컷이 구멍 속에서 먹이를가져오는부모를 기다리고 있다.
A nesting hole in a shagbark hickory tree.
Woodpecker hole in a tree trunk.
A coniferous tree trunk with two holes made by a woodpecker. The structure of the bark, moss and the depth of the hole are visible. A sunny meadow and trees in the background
A Curious baby Crimson Crested Woodpecker is about to leave the nest for the 1st time.  The body of the Crimson Crested Woodpecker is almost completely out of the hole in the tree trunk.  The eye of the Crimson Crested Woodpecker is partially closed.
Here a woodpecker worked
Fresh pileated woodpecker boring in the New England wilderness. The hole's long, oval shape indicates this bird species. Late winter/early spring.
tate forest in Wisconsin
Closed up the largest woodpecker bird, adult female Great slaty woodpecker, uprisen angle view, head shot, in the morning try to sit in the bird's nest on tropical tree trunk in nature of tropical rainforest, national park in central Thailand.
hollow in the trunk
A northern flicker clings to a tree trunk with a whole in it in a forest in Maryland.
Hole in a tree in the forest
An baby Crimson Crested Woodpecker is seen on a dead tree trunk.  The baby woodpecker's head is  sticking out of a hole in the tree trunk.  The male adult Crimson Crested Woodpecker is near the nest and the female is watching from a tree nearby, in the background.
Woodpecker holes are visible on damaged tree bark in a forest, creating a natural and textured pattern with moss and lichen growing on the surface
Bird house in the tree trunk
Tree hollow, a hole in a tree trunk, selective focus
Bark of fallen white ash tree with woodpecker holes. The tree was infested with emerald ash borers, an introduced and invasive beetle that chews the wood under the bark. The borer has killed hundreds of millions of ash trees in North America since its discovery there in 2002.
A closeup of tree trunks in a green forest
oak tree with acorns pushed in by woodpeckers
A close-up view of a tree trunk showing a noticeable hole in the bark. The hole appears to be a natural occurrence, possibly caused by insect damage or decay.
The Acorn Woodpecker (Melanerpes formicivorus) is a medium-sized woodpecker. The woodpeckers create granaries or acorn trees by drilling holes in dead trees, dead branches. Santa Rosa, California. Pepperwood Preserve. Tree with holes for acorns and bird.
Red Bellied Woodpecker hole chiseled out of the trunk of a large pecan tree by the bird,
Male green woodpecker
Woodpecker hole in a tree
Closed up the largest woodpecker bird, a small flock of adult Great slaty woodpecker, uprisen angle view, side shot, in the morning exploring hole on tropical tree trunk in nature of tropical rainforest, national park in central Thailand.
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