Functions
Detection dogs have been trained to search for many substances, including:
- Animals in conservation settings (especially by Australian dog trainer, Steve Austin)
- Bed bugs
- Human remains
- Crime evidence
- Currency
- Drugs
- Explosives
- Firearms
- Mobile phones (as contraband in prisons)
- Mold
- Plants, animals, produce, and other agricultural items (used by customs services to detect possible invasive species such as Quagga mussel)
- Polycarbonate optical discs such as DVDs (used to search for bootleg recordings)
- Termites
One notable quality of detection dogs is that they are able to discern individual scents even when the scents are combined or masked by other odors. In one case at an Australian prison, a detection dog foiled an attempt to smuggle drugs that had been hidden in a woman's bra and smeared with coffee, pepper and Vicks Vapo-rub. A sniffer dog can detect blood even if it has been scrubbed off surfaces. In one case, a sniffer dog sniffed a drop of blood on a wall although an attempt had been made to scrub it off. It was so small that it couldn't be seen without a microscope.
Some of these functions can be carried out by trained pigs, which also have an excellent sense of smell, and have been used to hunt truffles for centuries.
Read more about this topic: Detection Dog
Famous quotes containing the word functions:
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Though yet irrational of soul, to grasp
With tiny finger—to let fall a tear;
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To stretch his limbs, bemocking, as might seem,
The outward functions of intelligent man.”
—William Wordsworth (1770–1850)
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—Charles Baudelaire (1821–1867)
“One of the most highly valued functions of used parents these days is to be the villains of their children’s lives, the people the child blames for any shortcomings or disappointments. But if your identity comes from your parents’ failings, then you remain forever a member of the child generation, stuck and unable to move on to an adulthood in which you identify yourself in terms of what you do, not what has been done to you.”
—Frank Pittman (20th century)