If the big brown bat is the consummate American bat, then surely Daubenton’s bat is the consummate Eurasian bat and therefore the natural companion of Dracula and Frankenstein’s monster. Sometimes dubbed the water bat, it makes a habit of roosting somewhere near water (under bridges being a particular favorite). They, too, form maternity colonies, just a lot smaller than the big brown bats, just like the rest of it. Which, if you think about it, seems somehow very appropriate.
The coolest thing about all insectivorous bats is the way they hunt. They use echolocation to find their prey, speeding up the noises they make as they get closer, then catch their prey in the air. Seriously, it’s pretty amazing. Just watch this: