Unusual question?

[Inziladun]

Originally Posted by blantyr

I heard one rumor that anything in Middle Earth that eats meat also talks. Not sure if the converse holds, that grass eaters don't talk.

The fox that encounters the hobbits in the Shire "talks" in an inner monologue, and the wolves that corner Thorin and Co. apparently talk with the Orcs. The Eagles speak too, of course, but I don't think it can be said that every Middle-earth carnivore talks.
Actually, the Witch-king's steed is obviously a meat-eater, but it doesn't say anything.