Patching holes in Western Red Cedar Siding

I'll be repainting my Mom's house soon, probably with Sherwin Williams Duration. However first there are some holes that need to be patched.
Birds (I think they are mostly grossbeaks) have pecking/ chewing holes in the siding and stuffing grubs inside. Watching them closely, I am quite sure they are not woodpeckers and are not feeding on bugs that are already there. They are using the siding for a larder.
They are pecking the holes along the bottom edges of the shiplapped Western Red Cedar Siding. The biggest holes are big enough to stick your thumb in.
What is a good material to use to patch those holes? I'm thinking bondo might do the trick.
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FF


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On Jun 29, 1:30 pm, snipped-for-privacy@spamcop.net wrote:

The wood will expand and contract with changes in humidity, the Bondo won't. Wood also moves with changes in temperature differently than Bondo (not as much of a factor as the humidity). On the bright side, it's easy enough to use and sets up quickly. Any spackling in a hole that big would take a long time to dry to the point where you could paint it.
R
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wrote:

2 years agoI used water putty . I mixed it with a little bit of primer and painted it the next day its still there. Concrete patching mix has been used for a looooong time
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I'm surprised because cement retains moisture and commonly promotes rot in wood in contact with it. It would sure blunt their beaks though.
--
FF


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wrote:

I tell ya the first time I heard it from a guy that sells siding I thaught he was bull shittin me. But Then another Contractor said the same thing. paint keeps the cement dry
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