Understanding the Nuances: Which animal is highest in protein?
                                
                                
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                                    4 min read                                
                            
                                According to the USDA nutrient database, cooked, skinless chicken breast offers one of the highest protein-to-calorie ratios among common dietary animal sources. This guide provides a detailed look at **which animal is highest in protein?** and how to choose the most protein-dense options for a healthy diet.