I just experienced him climbing up my t-shirt sleeve, across my right shoulder-blade (making me, for that interval, more hunchbacked assistant than mad scientist) and then up through the neckhole of the t-shirt.
I tried to get pictures but he moves around more than a pack of spider monkeys on Espresso. He has this whole Migratory cycle that takes place in just a few minutes of time. Apparently he thinks birds who move seasonally are slackers.
However, this crude diagram should give some idea
on a different but related note