Bats have a special ability!

1. Secret Sounds of Bats
S1230079 Ryota Noji
http://www.sciencebuddies.org/science-fair-
projects/project_ideas/MamBio_p024.shtml

2. Introduction(1)
Bats are the only mammals
that can fly.
Number of Bat species is
977.

3. Introduction(2)
Bats are divided into
Megachiroptera and
the Microchiroptera.
Megachiroptera
Microchiroptera

4. Example(1)
Corynorhinus townsendii is
Microchiropteran bat.
They is found in western
North America.
Corynorhinus townsendii

5. Example(2)
Corynorhinus townsendii has big-
eared.
They preys on moths over open
pastures and forest canopies.

6. Echolocation(1)
Echolocation is a way of
locating distant or invisible
objects.
It uses electric wave and
sound wave that are
reflected back.

7. Echolocation(2)
All Microchiroptera use
echolocation to find prey
and to navigate.

8. Echolocation(3)
Bats emit ultrasonic pulse.
Bats have frequencies that are
higher than the upper limit for
human hearing.

9. Microchiropteran Bats(1)
Thanks to this ability, bats
became able to live in
caves.

10. Microchiropteran Bats(2)
As a result, the eyesight of
Michiropteran bats decreased.

11. Moths and Bats
Some moths can hear the
echolocating sounds made
by bats.
So, some moths can escape
from bats.

12. Insects and Bats
Some insects can emit sounds in
response to bat calls.
As a result, bats is confused.

13. Bat Detectors
Frequencies of bat sounds are
too high for humans.
So, scientists use detectors.

14. How to find Bats
After sundown is a good time.
Wooded areas and freshwater
sources are good place.

15. Finally
If you go to find bats, take
an adult with you, and don’t
forget your bug spray.