Skeletal raptors are undead raptors, similar to skeletal horses, they can be used as mounts. Set to appear in World of Warcraft: Cataclysm, some have been reported to appear in dig sites.
This article or section includes speculation, observations or opinions possibly supported by lore or by Blizzard officials. It should not be taken as representing official lore.
It's speculated they will have something to do with Archaeology.