This Tiny Bat Smashed a Decades-Old Record to Become The Fastest Flier on Earth
Good news: one of our fellow mammals – the Brazilian free-tailed bat (Tadarida brasiliensis) – just smashed a decades-old record for horizontal flight speed, beating out all of the world’s birds.
This is a 2016 article but this isn't well known information.
The common swift is thought as fastest by most people, myself included, until I learned today that this bat is even faster.