“Pizza Rat,” “Taco Squirrel,” and, of course, “Bagel Pigeon” have some competition on the urban animal food landscape: “Cheeseburger Crow.” But all the fast-food scraps that city crows are eating may be increasing their cholesterol levels, according to a new study published in bird journal The Condor: Ornithological Applications. Researchers came to the conclusion after comparing […]