Spicy Excitement in Every Bite El Paso Nutri-Berries contain red and green bell peppers and chili powder savory seasonings for your bird. These zesty, zingy seasonings add a little spice and will entice your pet to eat. Maximum Nutrition. Minimum Waste. Veterinarian recommended Nutri-Berries are the most fun-to-eat, easy to accept food ever made. These nutritious nuggets have the shape birds naturally enjoy and a balanced, superior source of nutrition with an irresistible taste and aroma. Better Health For Your Parrot. Proper nutrition is critical to the good health and long life of your parrot. Nutri-Berries were formulated by Dr. T. J. Lafeber and an avian nutritionist for that very reason. Nutri-Berries are the ideal way to teach your bird to cross over from seed cracking to pellets.