Brazilian free-tailed bats are the fastest fliers
The new record holders can reach ground speeds of up to 160 kilometers per hour
![Brazilian free-tailed bats](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/11/112116_cm_est-fastest-bat_free.jpg?fit=860%2C460&ssl=1)
FLY-BY-NIGHT Brazilian free-tailed bats have bested the world’s fastest birds in a test of flight speed.
greglasley/iNaturalist.org