Sorry to hear about the lag, I definitely had a similar issue in one of the earlier builds, I thought I had eliminated it by just rebuilding, I think this will work best on a mobile platform so hopefully won't be an issue in the future.
There is a bird, but it is on a pretty low chance because it will also carry you (forward or backward) for a potentially huge distance. My plan for future was to have that eat at least 1 seed as well. I really like the farmers idea, it can definitely come into play once I implement the tracking farthest dropped, right now it's just last seed, but I want to switch that to farthest seed, which would suck if you farthest seed got torn up by a farmer while you were being blown backwards.
Thanks for the feedback.