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
Guinean gerbil well-haired and bicoloured, being dark above and pale beneath, with a tuft of long dark hairs at the tip. The Guinean gerbil is nocturnal. It excavates a fairly complex burrow system that goes as deep as . The average size of the home range of the Guinean gerbil is . Little is known about the animal's diet. In western Senegal, breeding takes place in the wet season and continues into the dry season. Litter sizes average four or five. Guinean gerbil The Guinean gerbil ("Gerbilliscus guineae") is a species of gerbil found in Burkina Faso, Gambia, Ghana, Guinea, Guinea-Bissau, Ivory