Bats in flight

Telling the different bat species apart by sight can be difficult, but this guide outlines key 
 details to look out for to identify five of our most common species, including echolocation 
 calls (high-pitched sounds that bats use to navigate and hunt) for those with access to a 
 bat detector.
Author(s): 
Natural History Museum
Free: 
No
Available as: 
PDF