September 2, 2012

Dog's keen nose helps scientists studying orcas

OFF THE COAST OF SAN JUAN ISLAND, Wash. – A dog named Tucker with a thumping tail and a mysterious past as a stray on the streets of Seattle has become an unexpected star in the realm of canine-assisted science. He is the world's only working dog, marine biologists say, able to find and track the scent of orca scat, or feces, in open ocean water – up to a mile away, in the smallest of specks.

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