"Scent tracking" refers to the activity or ability of following or locating a particular scent or smell, usually accomplished by trained animals such as dogs. Full definition
In New South Wales where the population of little penguins has dropped sharply, the Australian Wildlife Services is using scent tracking dogs to find and monitor the birds, including Eco, an English Springer Spaniel featured in the video above. (treehugger.com)
(2) John Preston: Preston, a purported expert in scent tracking hired by the State, testified that his dog, Harass II, had, prior to trial, linked Dillon to the crime scene and the yellow t - shirt. (floridainnocence.org)
Preston's claims have been thoroughly discredited by experts in the field of scent tracking, media reports (including an expose on the tv show 20/20), multiple state supreme courts (including the Arizona Supreme Court, which called him a «charlatan»), police training manuals, and law review articles. (floridainnocence.org)