雖然稱之為蠔，洛磯 參考 外部連結 Earles,山脈 Jim. "Rocky Mountain Oysters: Expanding on the List of Organ Meats," The Weston A. Price Foundation. Brown, Patricia Leigh. "Delicacy of the Wild West Lives on for Those So Bold," The New York Times, Wednesday, March 18, 2009. Lakey, Dwight, Songwriter. "Rocky Mountain Oysters," Songwriter Dwight Lakey's (ASCAP) song about rocky mountain oysters, © 2007 Brown Barn Publishing & Dwight Lakey, Danville, VT & Julesburg CO; All Rights Reserved. R 牛內臟食品 美國食品阿根廷和墨西哥均有進食牛睪丸的洛磯習慣， 西班牙、山脈是洛磯美國西部非常有名的餐前小吃，

洛磯山脈蠔，山脈直譯為「牛蛋」。洛磯有時也會用豬或羊的山脈睪丸代替。口語為huevos de toro，洛磯其實是山脈公牛的睪丸。當地稱之為criadillas，洛磯