A series of recent camera -trap videos, taken in Yunnan Province'sthe Gaoligong Mountain National Nature Reserve of Yunnan Province, shows at least one of the housecat-size species looking about curiously, trotting down a mountain trail, and even peeing.

"This is not the only video of a marbled cat, but [it's] still very exciting to see," Jim Sanderson, a small-cat expert and program manager at the Texas-based Global Wildlife Conservation, says by email.

That's because the secretive Southeast Asian cat is one of the least understood wildcats in the world: All that’s known about it comes from a study of a single female in Thailand. (Related: "Out of the Shadows, the Wildcats You've Never Seen.")

For instance, the new videos