PetSmart has been the subject of public criticism by animal rights organization People for the Ethical Treatment of Animals for the company's sale of live birds. PETA alleges that it is cruel to sell birds bred in warehouses and feels that the breeding of the birds is similar to the use of puppy mills.
Their male subjects burned 105 calories running, 52 walking; the women, 91 and 43. That is, running burns twice as many net calories per mile as walking. And since you can run two miles in the time it takes to walk one mile, running burns four times as many net calories per hour as walking.hat is, running burns twice as many net calories per mile as walking. And since you can run two miles in the time it takes to walk one mile, running burns four times as many net calories per hour as walking.
The calories you burn walking divided by the number of miles you walk equals the calories you burn walking one mile. For example, the 150-lb. person who burned 190 calories per hour walking 2 mph walked two miles and, thus, burned 95 calories per mile.eople who weigh 200 lbs. burn 126 calories per mile walking 2 mph, 115 calories per mile walking 3 mph, 117 calories per mile walking 3.5 mph, 125 calories per mile walking 4 mph and 156 calories per mile walking 5 mph.