Landlocked country one, making them the biggest contiguous group in the world. Also, the Central Asian and Caucasian clusters can be considered contiguous, joined by the landlocked Caspian Sea. Mongolia is almost part of this cluster too, being separated from Kazakhstan by only , across Russian or Chinese territory. There are the following "single" landlocked countries (each of them borders no other landlocked country): If the Caucasian countries and Kazakhstan are counted as part of Europe, then Europe has the most landlocked countries, at 20. If these transcontinental countries are included in Asia, then Africa has the most, at 16. Depending on
Berbera gerbil lowlands but the location near Burao was at . The precise habitat is not known, but collectors used such descriptions as "caught on sandy plain" and "caught by well". The Berbera gerbil is a little known species. Only a few individuals have been collected and its range is not clearly delineated. With little information as to its occurrence, status, ecological requirements and the threats it faces, the International Union for Conservation of Nature has rated its conservation status as being "data deficient". Berbera gerbil The Berbera gerbil ("Gerbillus acticola") is distributed mainly in Somalia, but its range may extend into