Rarest sloth

According to Official Guinness Records,

Confined entirely to Isla Escudo de Veraguas, a small island off the coast of Panama, the world´s rarest species of sloth is the pygmy three-toed sloth (Bradypus pygmaeus), scientifically described as a new species as recently as 2001. Critically endangered according to the IUCN, only approximately 300 specimens are thought to exist. They live exclusively in red mangrove trees.

For a complete list of 2001 records, please visit 2001 Guinness Records in Panama.

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Other Panama records that might interest you:

• Longest transcontinental isthmus – Panama