4. Russian Blue<\/strong>
<\/h3>\n\n\n\nThe Russian Blue is one of the rarer cat breeds, and if you ever encounter a pure Russian Blue you can surely count yourself lucky to have met one. They\u2019re usually only available in the long-hair variety, and the characteristic of a true Russian Blue is the blue eyes that usually manifest when they\u2019re a kitten and don\u2019t<\/em> change to something else when they\u2019re grown up.
<\/p>\n\n\n\nThey\u2019re most commonly silver or grey \u2013 and, of course, hail from Russia.\t They\u2019re one of the few cat breeds that are considered entirely hypoallergenic, which makes them popular \u2013 and a popular breed to strengthen the genetic lines of others as has been done in history before.
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The Russian Blue is also known for having what\u2019s known as a double coat, giving them literally two times the amount of hair to shed, and will need regular brushing or you\u2019re going to have (at least hypoallergenic!) cat hairs everywhere.
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