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Re: possible role of echolocation in K-T survival
>isn't echolocating similar in principle to sonar? The medium is
>different, and the reception of sound is through different body parts
>(ears vs. melon), but isn't the principle of issuing sound to recieve
>sound wave bounces the same?
>Could ichthyosaurs have used sonar?
Possible - except that many ichthyosaurs had enormous eyes, if the size of
the orbits is any indication. Most living echolocators tend not to
emphasize visual integration.
Christopher Brochu, Ph.D.
Postdoctoral Research Scientist
Department of Geology
Field Museum of Natural History
Lake Shore Drive at Roosevelt Road
Chicago, IL 60605 USA
phone: 312-922-9410, ext. 469