There are no crows in Austin. The grackles have chased them away. They have stolen the scraps of food in their tiny claws and their long, pointed beaks. They have taken the place of the crows at the dumpsters and picnic tables and supermarkets. They have replaced the ominous flocks of crows lurking in the trees or perching on power lines. The grackles have taken their spot on the branches, on the telephone poles, chirping…