Unidentified Chiropteran (Transformers)

The "Chiropterans" are an unnamed race of bat-like creatures from the planet Cybertron.

Biology
The Chiroterans are organic bat-like creatures that scale around the same size as Humans.

History
The Chroterans lived on Cybertron roughly many centuries ago, their existence predating the Cybertronians. However, they later went extinct due to unknown causes.

Appearances

 * Beast Machines: Transformers episode 10, "Survivor" (1999)