Announcing the world's rarest animal

A small snake living on the Caribbean island has been recognized as the world's rarest animal. There are only 18 remaining snakes of this species left on earth.

St. Forest Ranger OfficerLucia is holding the world's rarest snake.

Described as gentle and easy to catch, the surviving snakes live on a half-square-mile island off the island nation of St.

Lucia - part of the Lesser Antilles volcanic island chain extending from Puerto Rico to South America, separates the Caribbean Sea from the Atlantic Ocean.

The speckled brown snake is called the Steep Snake. Lucia , once once in St. Louis Lucia but then is almost destroyed when the mongoose appeared from the end of the 19th century. The carnivorous mongoose is brought from India to the island to control the poisonous snakes, but they also destroy the snakes poison. In 1936, snake snake St. Lucia is declared extinct.

But in 1973, a snake snake St. Lucia is found in the Maria Islands Conservation Area, a small island south of St. Lucia. Lucia and where there are no mongoose.

At the end of 2011, researchers searched meticulously for snake St. Lucia on the small island. As a result, they found 18 children still alive on the island.