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The Meat of the Matter: A thumb rule for scavenging dogs?

Animals that scavenge in and around human localities need to utilize a broad range of resources. Preference for any one kind of food, under such circumstances, might be inefficient. Indian free-ranging dogs, Canis lupus familiaris are scavengers that are heavily dependent on humans for sustaining their omnivorous diet. The current study suggests that because of evolutionary load, these dogs, which are descendants of the decidedly carnivorous gray wolf, still retain a preference for meat though they live on carbohydrate-rich resources. The plasticity in their diet probably fosters efficient scavenging in a competitive environment, while a thumb rule for preferentially acquiring specific nutrients enables them to sequester proteins from the carbohydrate-rich environment.