Question: What is the world’s smallest mammal by body length?
Answer: According to the Guinness Book of World Records, the smallest mammal by body length is Kitti’s hog-nosed bat, otherwise known as the bumblebee bat. Its head-body length is just over an inch, and it weighs only 0.05 ounces. It’s 80 million times lighter than the world’s largest mammal, the blue whale.
