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
Fat-tailed gerbil gerbil. They look similar to a hamster, but unlike a hamster they have a pointed snout and a fat, almost bald, club-shaped tail from which they gets their common name of 'fat-tailed gerbil'. The fat-tailed gerbil stores fat and water in its tail, in the same way that the camel stores fat in its hump. Therefore, a healthy fat-tailed gerbil should have a nicely rounded tail. It is this tail which makes them easy to distinguish from all other gerbil species. Captive specimens of the fat-tailed gerbil have a life span of between 2 and 5 years. In the wild,