Tlingit Eagle Mask, Rietberg Museum, Zurich, Switzerland

The Tlingit kinship system, like most Northwest Coast societies, is based on a matrilineal structure, and describes a family roughly according to Morgan’s Crow system of kinship. The society is wholly divided into two distinct functional kinship groups, termed Raven (Yéil) and Eagle/Wolf (Ch’aak’/Ghooch). The former identifies with the raven as its primary crest, but the latter is variously identified with the wolf, the eagle, or some other dominant animal crest depending on location of the families.