Just found this gem this morning.

If you know me well you wouldn’t be surprised to read that I’ve been known to camp a beast for days or for several straight hours. Lupos in Duskwood is one that comes to mind, as well as King Krush back in Northrend. There are still some I have yet to see though; like the blue and green scorpid and 2 flying rares in Deepholm. Two group rares have also eluded me so far but it’s not just about the loot for me. It’s about the tame, and most importantly – the shot. There’s nothing like an epic action shot to capture the uniqueness of a mob that is only in the game for periods at a time.

The following guide encompasses a lot of information I have in my head to date, but will give the reader some information they may be lacking in terms of location or achievement. So for those looking for something in particular; this may just be the guide you’ve been waiting for – Beyond Bloody Rare: A Guide to all Rares