Why did the hedgehog NOT cross the road? Because it had adapted its behaviour in order to thrive in a threatening man-made environment
House sparrows: The chirpy city sparrow is nothing if not resourceful. Many are now incorporating discarded cigarette ends into their nests to provide a warm cellulose lining for the family, as well as nicotine to ward off mites. Nests investigated by researchers had an average of eight butts. City sparrows also eat more often and have less fear of predators than their rural counterparts.