If we set aside elephants and blue whales for a moment and shift our focus to the other end of the size spectrum, the world of tiny animals is truly astonishing. Measured in millimeters, these ...

These teacup-sized dogs are so tiny that sometimes you don’t even notice when someone is carrying one around in their purse. According to Guinness World Records, the smallest Chihuahua ever is named ...

The Barbados threadsnake is just three to four inches long and about the same width as a strand of spaghetti. Pictured here in 2006, the species was officially described in 2008. Blair Hedges A tiny, ...