A dead tree is softer to carve out a hole and because wood siding or stucco walls have a hollow sound the flicker and the pygmy nuthatch think it may be a suitable nesting place.
Birds nesting in cedar siding.
Holes larger then two inches in diameter may be drilled by the woodpecker into the siding usually between the seam of the two clapboards figure 1.
Holes in cedar clapboards are usually drilled at the seam of two adjacent clapboards.
Use suet or bird feeders to lure woodpeckers away from your structure.
Woodpeckers have been known to peck away at siding and tear out the insulation to make a hole suitable for nesting.
These are most likely the beginnings of roosting or nesting holes.
Unfortunately cedar siding seems to get a lot of damage from woodpeckers particularly if the house is adjacent to a wooded area.
I have a handyman coming in a few weeks and would like to have him seal up the hole s but for humanitarian and practical reasons i would like to wait until the babies have left the nest.
When people ask me what the best thing they can do to avoid birds pecking holes in cedar siding my answer is get aluminum siding.
Woodpeckers will peck holes in wood and stucco to attract mates find or store food or establish a territory.
You may be able to prevent woodpecker drilling in your cedar siding by offering a tempting alternative at a distance from your structure.
It s a real fixer upper to say the least.
Roosting and nesting holes though similar in size and shape are specific to the type of siding in terms of their location on the house.
Another homeowner had woodpeckers pecking right through her wood siding and through the plywood underneath.
Woodpeckers are more drawn to redwood and cedar wood types than to composite wood or masonite.
These holes are often placed in corners and can go into the insulation.
Place bird feeders near trees or other wooden structures to encourage woodpeckers to take up residence elsewhere.
Large holes like you are describing sound like roosting or nesting holes.
In the last few months downy woodpeckers and squirrels have added some holes to the cedar siding of the building.
Smaller birds have been known at times to nest in abandoned woodpecker holes.
The birds promptly tore the insulation out and built a nest between the wallboard and plywood.
If you have problems with birds on the siding of a home or business it s likely one of two common bird problems woodpeckers or swallows.