Leslau specialized in previously unrecorded and unstudied Semitic languages of Ethiopia. These cases are relatively unstudied due to their rarity. A number of its archaeological artefacts remain unstudied. It is significant for its expected wide (though generally unstudied) variety of avifauna. Sikkim also has a rich diversity of arthropods, many of which remain unstudied. Because the reef had no atolls, it was largely unstudied in the 19th century. Thousands and possibly millions of species remain unstudied and/or susceptible to extinction by habitat destruction. Except for its flora, the biology of the Kanashen district is relatively unstudied. He integrated onshore geology with offshore geophysics, most of it previously unstudied. Any connection between these two activities is unstudied and unconfirmed. Nanotechnology is an example of a new, relatively unstudied technology. The cultural and behavioral norms of virtual worlds and gaming are generally unstudied. Excavated sites are surrounded by other unstudied sites, believed to be traveling hunter's camps. Before 1967, the douc was completely unstudied.