MortalPlague
Adventurer
I love the fact that this conversation is taking place with both gravitas and levity. What a great forum we have here. 

Well they could taste fantastic, which might explain why none of them survived to modern times...
Hmmm...you could be right. From the menu at Nachonomicon*, I pulled these recipe names:
Roc au Vin
Dragon Rolls
Ki-Rin Beer
Unicorny Dogs
Pasta al Formian
Grick-Fil-A
Chimichangelings
C'thulhupas
* its a restaurant chain owned by Great Old Juan
Japanese imported beer in the realms?Ki-Rin Beer
So far the replies have focused almost entirely upon natural animals, but don't neglect the wide variety of fantastical creatures that might populate the region also. An ogre would make a tasty snack for a Roc, and a hill giant would be a challenging but filling prey.
Well, the MM does mention that Rocs find giant purple worms to be a delicacy.