Skip to main content Woman finds slug-like creature while hiking on an Austin trail. Here's what experts think it is. FacebookTwitterEmail DeAnn Fisher Kiser and her hiking Facebook friends are having a tough time identifying what she calls a mysterious slug-like creature she saw along Austin's Walnut Creek Trail on Sunday.DeAnn Fisher Kiser DeAnn Fisher Kiser and her hiking Facebook friends are having a tough time identifying what she calls a mysterious slug-like creature she saw along Austin's Walnut Creek Trail on Sunday. "I've never seen anything like that before," said the avid hiker. "I'm on this trail fairly often, and that's something you don't normally see."