I don't care what kind of 'professor' you are.. Carrying a seal's head in your luggage is just wrong. I bet the folks on that flight were just happy it wasn't in his carry on.
CNN.com - Biologist stopped at airport with severed seal's head in luggage - Mar 20, 2004: "BOSTON, Massachusetts (AP) -- Airport security agents at Boston's Logan International Airport stopped a biologist after discovering the severed head of a harbor seal in his luggage."