... direction that mammals use - binaural time and intensity cues due to arrival-time differences and sound shadowing by the head - will be very small in lizards. The present work shows that acoustical coupling of the two eardrums in lizards produces the largest directionality of any terrestrial vertebrate ear...

... of Biologists Limited 2001 2001 white whale Delphinapterus leucas hearing whistling deep sea middle ear eardrum response time threshold Eustachian tube nasal cavity phonic lip auditory reaction time. Recently, scientists have debated the possible harmful effects of intense human...