You're welcome! That sort of attention to detail will enable you to notice when they aren't feeling well, which will allow you to provide prompt, effective treatment. Stay sharp, you're gonna do fine!
-Kathy
It's blue on some of mine.
This link has this picture and one that has yellow lobes:
http://www.the-coop.org/forums/ubbthreads.php?ubb=showflat&Number=95298
-Kathy