Small vents at wood siding

Why are these vents in the siding? I have seen plugs that indicate insulation.

Every inspection there is always at least 1 item I have never seen. Keeps the job intesting & this is the value of this board.

Thank you.

It is kinda like ask the audience in millionare:mrgreen:. The player gets stuck polls the audience & hopefully gets the right answer.



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They look like vents to vent the cold side of the wall.
Keeps paint from peeling, ect…

I assume they are between every stud!?

Are they venting floor joist bays for some reason?