![USDA Forest Service on Twitter: "Contrary to popular belief, bats are not rodents. They are flying mammals and the second largest group of mammals in the world, behind rodents. #BatWeek https://t.co/QWpyXrTWyJ" / USDA Forest Service on Twitter: "Contrary to popular belief, bats are not rodents. They are flying mammals and the second largest group of mammals in the world, behind rodents. #BatWeek https://t.co/QWpyXrTWyJ" /](https://pbs.twimg.com/media/DqYaSqcX4AAKfk0.png)
USDA Forest Service on Twitter: "Contrary to popular belief, bats are not rodents. They are flying mammals and the second largest group of mammals in the world, behind rodents. #BatWeek https://t.co/QWpyXrTWyJ" /
Peppermint Narwhal Creative - Bat Facts: Bats make up the second largest group of mammals, taking second only to rodents. 25% of all mammals are bats, while 40% of all mammals are
U.S. Forest Service - #Bats are flying mammals and the second largest group of mammals in the world, behind rodents. And, no, bats are not rodents. #BatWeek | Facebook
![Why are bats (flying mammals) so much rarer than mice (flightless mammals)? | Mammals | The Guardian Why are bats (flying mammals) so much rarer than mice (flightless mammals)? | Mammals | The Guardian](https://i.guim.co.uk/img/media/0bbc3d3a339367c05725088ba54edf4c8d275b51/0_406_6016_3610/master/6016.jpg?width=1200&height=900&quality=85&auto=format&fit=crop&s=4041f743bd20a62913c07cc744f2bce2)