There's a nice little video with Latin text from the Physiologus (with English subtitles) that will teach you totally true facts about hedgehogs. You can watch it at discarded images.
Another manuscript tells us that if you want to enchant your lover, you should feed him catnip. Nice, eh?
Speaking of manuscripts, there's a conference about 14th century manuscripts in London on December 1, and more places are available should you like to attend.