New York Times: In a new oil field among the rolling hills near here, Chesapeake Energy limits truck traffic to avoid disturbing the breeding and nesting of a finicky bird called the greater sage grouse. To the west, on a gas field near Yellowstone National Park, Shell Oil is sowing its own special seed mix to grow plants that nourish the birds and hide their chicks from predators. And on a 320,000-acre ranch near the northern tail of the Sierra Madres, developers of an enormous wind farm have decided not to plant…