These last couple of weeks, no bird has made itself known to me more than the indigo bunting, a sparrow-sized songbird that, true to its name, is vivid indigo in color. Well, at least the males; the ...

Stephen Head, president of Lone Star College-North Harris, asked me not long ago what the sparrow-size, aqua-blue birds were that had shown up in his yard. He wasn't the only one who wanted to know.