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
Morgan's gerbil mouse Morgan's gerbil mouse Morgan's gerbil mouse ("Eligmodontia morgani"), also known as the western Patagonian laucha, is a South American species of rodent in the family Cricetidae. It is named for J. P. Morgan, one of the sponsors of the expedition that first identified the species. Morgan's gerbil mouse is a slender, mouse-like rodent with large ears and elongated hind feet. Adults measure from in total length, including a tail about long, and weigh from . Females are slightly larger than males. The fur is long and silky, and is a dull brownish-grey over the upper body, and pure white on