Born hummed to themselves, a little smile playing over their muzzle. A mindless little tune playing through their mind. Certainly they weren't paying attention, mind wandering.
They snapped back into focus as their feet sank into something cold, wet, and thick. They gasped, jerked a foot free, and when it came down it sank a little deeper. "Oh.." They tried again, tried to retreat, but without being able to see it was easy to get turned around, to sink deeper into black mud.
They've been calm at first, not fully aware of the potential danger. Now they were not, breathing hard, clearly distressed. Mud clinging to bright fur and brighter hair as they gasped and huffed, trying to pull themselves free.