What makes an animal a pet? That they come when called? The way they curl up and rest in your lap while you watch TV? Or that they’ll ride in the car with you — for a morning coffee or on trips to Hilton Head Island?  Mary Schroeder had this and more with what she considered to be her pets — a flock of 62 chickens. They were kept in a backyard coop at her Waxhaw home, and Schroeder nurtured a deep bond with the birds. The Schroeders don’t eat their chickens but occasionally use their eggs to make omelets.    Read the article…………………………….