Epiphytes are common and basically growing ON the tree, not into the tree. Part of the ecosystem and probably somehow required. A tree is a tree, a bunch of trees are not a forest. A forest is a forest.
I don't recall if I figured the wedges for tightening the chain, or just standing on someone else's shoulders.
That's a 36" bar on the MS661. I decided that I wanted to fully reach through, and cut it fast as possible. Alders are notoriously dangerous for barberchairing, and I didn't know positively what was going to happen when I destabilized the tree more, just that I had a good escape route down the driveway. No surprises. Green, and pretty solid up above, until the crusty top.
Leaning over a nurse's driveway.