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Earth Science

Artificial Misting System Allows Reintroduction of Extinct Toad 121

Posted by samzenpus
from the spritzing-back-to-life dept.
terrancem writes "The Kihansi Spray Toad went extinct in the wild in 2005 when its habitat in Tanzania was destroyed by a dam. However conservationists at the Bronx Zoo managed to maintain a captive population which is now large enough to allow a bold experiment to move forward: reintroducing the toad into its old habitat. To make the once tropical gorge moist again, engineers have designed an artificial misting system that should allow toads to survive in the wild. The effort marks what may be the first time conservationists have ever re-established an 'extinct' species in a human-engineered ecosystem."
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Artificial Misting System Allows Reintroduction of Extinct Toad

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  • A very unusual toad (Score:5, Interesting)

    by serviscope_minor (664417) on Friday November 02, 2012 @05:13AM (#41851165) Journal

    These toads are very unusual. The noise of the waterfall makes croking an impractical method of communication. They instead use hand signals to communicate.

  • by riT-k0MA (1653217) on Friday November 02, 2012 @07:08AM (#41851599)
    Not strictly [tulane.edu] true.
    The dense vegetation makes it implausible for the frogs to communicate by hand signals alone. Rather it is thought they use a mix of body language and ultrasonic sound over a short distance in order to communicate.
    The Ultrasonic part is only a guess as the middle part of the frogs ear is not air-filled, and the inner part of the ear does not seem to be connected to any outer surface of the frog. This can be tested, but the scientists can't exactly vivisect a critically-endangered animal, so they have to guess.

Sigmund Freud is alleged to have said that in the last analysis the entire field of psychology may reduce to biological electrochemistry.

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