Although I’ve never personally owned a Baldwin, I’ve spent a great deal of time researching different guinea pig breeds, their genetics, and their welfare needs. Baldwins stood out to me immediately — not just because of their dramatic transformation from fluffy newborns to smooth, velvety adults, but because their development and care requirements are so unique. The more I learned, the more fascinated I became, so I’ve gathered everything I’ve discovered into this guide to h