I made a reference earlier about to me it's nonsense to favor one tree species over another for climbing. However, I didn't consider maybe it was for safety reasons, like bigbulls was referring to. In that case, the softer bark trees do allow climbers to dig in more to get a better bite for grip. When it's freezing, like during later hunting seasons, trees like Birch and Oak can get very hard. I guess bigbulls just said that. LOL!
iSnipe