Blue Buffalo Wilderness Chicken Recipe for Adult Dogs. Inspired by the diet of wolves, true omnivores whose endurance is legendary, BLUE Wilderness is a protein-rich, grain-free food that contains more of the delicious chicken your dog loves. BLUE Wilderness for Dogs. A high-protein formula inspired by the diet of wolves, BLUE Wilderness dry and canned recipes provide your dog with a higher concentration of the chicken, duck, salmon, or turkey that he loves. And BLUE Wilderness treats are the perfect protein-packed reward.