By Cynthia Chris, City University of New York There is a long and storied history of nonhuman actors, from Luke, the dog of silent star Roscoe ‘Fatty’ Arbuckle, to the collies cast in the role of ...

Enjoy the elegant trogon, a longtime summer visitor to Southern Arizona that now is increasingly staying for the winter. But don't get too attached to the purple finch, because that mountain bird's ...