WARNING: Content may be upsetting to readers. The pictures posted on social media did it: dozens or even hundreds of dead coyotes and foxes filling the backs of trucks, or laid out in rows on bloodied ground or hung by their hind legs in a celebratory display above piles of other dead animals...

What are wildlife killing contests? While blood sports such as dogfighting and cockfighting have been condemned in the U.S. as barbaric and cruel, the little-known blood sport of the wildlife killing contest still happens regularly in almost all of the 43 U.S. states that have not yet banned them...

On a Sunday evening in June, camo-clad men chat and laugh by pickups next to a restaurant near Billings, Montana. There is a faint but unmistakable odor of decay coming from a large trash bin across the parking lot—the just-weighed bodies of 29 coyotes, some of them rotting for two days in 90-degree...

The woodchuck (a.k.a. groundhog) is often caught between being a celebrity and a villain—one day we rely on his shadow to forecast the seasons; the next day we grumble as he makes a meal of our carefully planted garden or digs up the yard.