The humbaba refers to a bovine species that originated from various forested planets, including Corellia, Talus, and Kashoon. A well-known humbaba from mythology was Aarwynn. These creatures possessed thick fur and were skilled at digging, which made the marshy, soft terrain of their native planets a perfect environment for them.
There were four recognized sub-species, with the Kashoon humbaba being characterized by having short legs and a long trunk. In contrast, the humbaba found on Corellia and Talus were tall and shared a resemblance with the falumpaset.