Shark Attack!

Lately Tyler has gotten into the funniest habit. If I go to pick him up and turn him towards myself, he will often let out a guttural yell and latch fiercely onto my shoulder with his mouth. It's not always a s sign of hunger, and usually done while happy. I don't pretend to understand what is going through his head, but if it's anything like this, I think we may be in trouble...