or even thousands of animals. The numbers of Russian herders have been drastically reduced since the fall of the Soviet Union . The fur and meat is sold, which is an important source of income. Reindeer were introduced into Alaska near the end of the 19th century; they interbreed with native caribou subspecies there. Reindeer herders on the Seward Peninsula have experienced significant losses to their herds from animals (such as wolves) following the wild caribou during their migrations. [ citation needed ] Reindeer meat is popular in the Scandinavian countries. Reindeer meatballs are sold canned. Sautéed reindeer is the best-known dish in Lapland. In Alaska and Finland, reindeer sausage is sold in supermarkets and grocery stores . Reindeer meat is very tender and lean. It can be prepared fresh, but also dried, salted , hot- and cold- smoked . In addition to meat, almost all internal organs of reindeer can be eaten, some being traditional dishes. [ 73 ] Furthermore, Lapin Poron liha , fresh reindeer meat completely produced and packed in Finnish Lapland , is protected in Europe with PDO classification. [ 74 ] [ 75 ] Reindeer antler is powdered and sold as an aphrodisiac , nutritional or medicinal supplement to Asian markets. Reindeer hunting by humans has a very long history, and caribou/wild reindeer "may well be the species of single greatest importance in the entire anthropological literature on hunting." [ 6 ] Wild caribou are still hunted in North America and Greenland. In the traditional