I wonder....

I wonder, what is the smallest animal in the world? 

The world is fulled with many different types of animals. All different sizes, shapes, big, small, short, tall, etc. The smallest animal known to exist is the Etruscan Shrew. The Etruscan Shrew is also known as the white-toothed pygmy shrew. The Etruscan is the smallest know mammal by mass, weighing only about 1.8 grams, body length of about 4 centimeters including the tail. A Etruscan has a fast metabolism, eating about 1.5-2 times its body weight per day. Etruscan Shrew Mostly relies on it's sense of  touch than vision.