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Secret Sounds of Bats
- 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.