Yes an only bottle fed baby & a nursing and bottle fed baby should have different bottles! A bottle only fed baby might take a bottle a nursing baby won’t take its very common! Keep in mind opt in for slow flow nipples, even if your baby goes beyond the age it recommends, breastfed babies that also nurse are use to a slow flow latching and pulling milk after a letdown. 🍼linking the best bottles for a nursing baby if you plan on switching back and forth from breast to bottle, all recommendations from LCs not influencers: 1. Evenflo balance wide neck bottles, I opt on for their glass bottles but you don’t have to. 2. Pigeon bottles! Again they have wide neck nipple which is what you want. They come in glass options as well 3. Lansinoh again they have wide neck nipple comes in glass or plastic 4. Dr. Brown's Natural Flow Anti-Colic Options+ Narrow Baby Bottle, 4 oz/120 mL, with Level 1 Slow Flow Nipple