Quoting Mister Bones
Maybe it is a dead animal with the legs sticking up in the air? OK, sorry Arch, couldn't resist.
Hahahahahahaha! LMAO! - Yes, that's exactly what it is: a dead animal turned into a table by the tribe's taxidermist. It doubles as a sacrificial altar, a footstool, and a place for the chief to set his coffee mug on.