1. By: Sam Citta 3rd Block Honors Pre-Calculus October 20, 2010
Bottlenose Dolphins
By: Sam Citta
3rd Block Honors Pre-Calculus
October 20, 2010

2. Quick Facts The auditory cortex of the brain is highly developed
Have more rapid sound processing than humans
Can hear tones with a frequency up to 160 kHz with the greatest sensitivity ranging from 40 to 100 kHz
the average hearing range for humans is about 0.02 to 20 kHz
A dolphin's small external ear openings don't seem to be important in conducting sound
Their ears aren't attached to their skull

3. Echolocation
a term that is used to refer to a special ability that odontocetes (and some other marine mammals and most bats) have that allows them to listen for echoes
acts as a way for animals to “see” that have conditions that are difficult to see in
learn to understand the “images” they get from echolocation at an early age
Generated by the echo of a series of clicks formed in their throat and broadcasted out a place on their forehead

4. β = 10log(і/10-12)

5. Sources