Brown's Dried Mealworms for Wild Birds & Chickens. These natural and farm-raised mealworms are a highly-prized treat for many wild birds. They have been quick-dried to lock in flavor and nutrition and to keep them as fresh as possible for your feathered friends. They’re a great source of energy—containing 50 percent protein and 25 percent fat. These tasty morsels are preservative and additive free for a naturally delectable treat your wild friends will devour!