Top left: “Mustangs in Malibu,” a benefit for Lifesavers Wild Horse Rescue, will take place Sunday at Big Heart Ranch. John Densmore, who was the drummer for The Doors, will appear at the event. Top right: “Dances With Wolves” author Michael Blake, who adapted his book for the screen, which was directed by Kevin Costner, has five of his own rescued wild horses. He will be at the “Mustangs in Malibu” event on Sunday. Bottom: Not all wild horses rounded up by the Bureau of Land Management are adopted by rescue organizations. Some that are “adopted’ are sent to slaughter houses. Courtesy Lifesavers, Inc