They do look similar, with the bowline being easier to tie....I wonder what the knot strength of the bowline is when tied with mono:
http://www.animatedknots.com/bowlin...png&Website=www.animatedknots.com#ScrollPoint
http://www.animatedknots.com/perfection/#ScrollPoint
http://www.animatedknots.com/bowlin...png&Website=www.animatedknots.com#ScrollPoint
http://www.animatedknots.com/perfection/#ScrollPoint