Do you care about saving the endangered pygmy three-toed sloth? What about protecting the long heritage of the Roxbury Russet apple? If you believe in preserving species diversity or heirloom varieties, add Abouriou to your list. Only four acres of this spicy red grape remain in California—and all of the U.S., as far as anyone can tell. In its home in Southwest France, there are barely 800 acres left, and they're quickly diminishing.