These are medium-sized underwater snake-like Bydo, not unlike Slither. They're often found in nests and, being surprisingly durable, these concentrations of Yorkon can be difficult to pass through. The Yorkgoyle mentioned in the Bydo Lab hasn't been seen yet.
- Class: Bydo
- Designation: Small Snake
- HP Level: 2
- Location: Twisted Ecology
Snake-like Bydo that lives in water. It is a baby Yorkgorn and can be found in groups. The growth stages of the Yorkgorn have different names. Hatchlings are called Yorkoni. Young up to 10 meters its size are called Yorkon. The Yorkgoyle follows. The final adult form is called Yorkgorn.