Looks like nestbuilding to me. There is a nice dead tree directly outside the office window. It has a couple of decent sized holes in it.
Yesterday I saw this guy sniffing around.
Today, we have the builders in. Much activity and displacement of sawdust.
Looks like the green woodpecker has lost out on some prime real estate to a great spotted cousin:
Photos taken with the end of the lens perched on top of my monitor. Happy days
