The first guinea pig I got was Chocolate Chip Cookie Dough ("Cookie Dough"). She is all black on one side, and on the other side she is all white with one brown spot. I've had her since March 2015 (she was 5 weeks old when I first got her). She is a Satin American Tri-color. I still own her today (Jan 2017).
The second guinea pig I got was Hazelnut (“Hazel”). She was about 1 year old when I adopted her in September 2015. She was white and two shades of brown, and had