Toucan Uses its Bill to Keep Cool (6 of 6) (VIDEO)

American Association for the Advancement of Science (AAAS)

Caption

This video shoes heat dumping to the bill during entry into sleep. Thermal imaging video demonstrating transient movement of body heat to the bill during initiation of sleep in a toco toucan. Time lapsed data obtained at 10 second intervals. Total frames = 724, total length = 2 hours. This video accompanied the research article "Heat Exchange from the Toucan Bill Reveals a Controllable Vascular Thermal Radiator," by G.J. Tattersall et al. appearing in the July 24, 2009, issue of Science.

Credit

Video files courtesy of Glenn Tattersall

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