Tucker, the Orca scat sniffing dog

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This a University of Washington research team studing the Orcas.   Tucker, a Lab, is trained to sniff out the Orca scat (poop) which is gelatious  and floats for a period of time.  The crew follows a pod of Orcas and Tucker hanging over the bow indicates when he smells some.   

© Bob Henderson 2014, 2015, 2016, 2017