Beavers and otters creating open water spots along Hay Slough No flash player has been set up. Please select a player to play Flash videos. Video not playing? Update your browser or download the video clip Ronnie Evans talks about how beavers and otters have created open water in spots along Hay Slough. Process Observed: BeaversThin IceOtters Date Process Observed: Wednesday, March 17, 2010 Galleries: Beaver dam Gallery