She heard the gurgling water before the creek came into view.
The night was quiet, no insects chirping, no water gurgling.
All that gurgling, whooshing and dripping represents a whirl of activity going on in the machine, and your cat is observant enough to have tuned into it.
They may also come with a gurgling lump in the left side of the neck and rarely with a lung abscess.
Sound effects are plenty here, such as the gurgling and squishing sounds of the mysterious creatures haunting our kids.