Seriously, watch out for birds!
Remembering the earlier, Hitchcockian, thread on people who have pissed off birds while climbing an object, I thought I would share this link with you all: http://www.youtube.com/watch?v=Yz7FFlFy8eM
Remember, when you're in eagle country, climb with your rig on.
Michael
P.S. For those with short attention spans, the action subsides a bit after the first minute, but picks up again around the 5:00 mark.