It s a real fixer upper to say the least.
Birds nesting in cedar siding.
Use suet or bird feeders to lure woodpeckers away from your structure.
Unfortunately cedar siding seems to get a lot of damage from woodpeckers particularly if the house is adjacent to a wooded area.
Woodpeckers will peck holes in wood and stucco to attract mates find or store food or establish a territory.
Often these holes go through the siding and into the insulation.
Smaller birds have been known at times to nest in abandoned woodpecker holes.
For three years now a woodpecker has made holes in our wood siding and other birds sparrows or finches i think have built nests in our walls.
The birds promptly tore the insulation out and built a nest between the wallboard and plywood.
Holes in cedar clapboards are usually drilled at the seam of two adjacent clapboards.
Woodpeckers are more drawn to redwood and cedar wood types than to composite wood or masonite.
Another homeowner had woodpeckers pecking right through her wood siding and through the plywood underneath.
These are most likely the beginnings of roosting or nesting holes.
In the last few months downy woodpeckers and squirrels have added some holes to the cedar siding of the building.
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.
Woodpeckers have been known to peck away at siding and tear out the insulation to make a hole suitable for nesting.
Large holes like you are describing sound like roosting or nesting holes.
These holes are often placed in corners and can go into the insulation.
It s been a great birdbath for me to watch over the years as the roof puddles like crazy making a nice area for everything from cedar waxwings to cooper s hawks to use as a birdbath.
Place bird feeders near trees or other wooden structures to encourage woodpeckers to take up residence elsewhere.
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.
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.
You may be able to prevent woodpecker drilling in your cedar siding by offering a tempting alternative at a distance from your structure.