Mark gave a seminar to the Klamath Basin Audubon Society on his Black-backed Woodpecker research. Here is a Zoom link to the recorded presentation; note that the first of couple minutes when Mark was describing broader work in the lab was not recorded, it might seem like an odd place to start the talk. https://oregonstate.app.box.com/s/i3ddtz6rsvv4k9o0h63z2ucyavy8z460