I love all animal species (I love nature), but I think my prefered is the dodo (who no longer exists today... thx humans...).
One of my dreams is to see a real dodo one day... (maybe genetic will do it for me)
Here a pic for those who have never seen what it looks like :
http://www.mediadesk.unizh.ch/1997/dodo.gif
So cool creature ^^