We may love our dogs for their devotion to us, but they're way more than just cuddly lap dogs. These four-legged companions are known to work as hard as — if not harder than — their human counterparts. Take the quiz to see if you can keep up!
The Great Dane and Doberman pinscher are both in the working-dog group, but the Australian shepherd is part of the herding group.
Working dogs perform all types of jobs, including guarding property, pulling sleds and performing water rescues.
Since World War I the U.S. military has used dogs as scouts, trackers, and bomb detectors, and even to help improve troop morale.
Service dogs can assist the blind, the deaf and people with post-traumatic stress disorder, and they can even sense an impending medical event such as a seizure.
FEMA's Urban Search and Rescue canine handlers comprise civilians, firefighters and police department members.
Even though bloodhounds are incredible tracking dogs, they aren't among the certified FEMA canines. Those include Labrador retrievers, German shepherds, Belgian Malinois, border collies and golden retrievers.
The canines use their incredible sense of smell to locate buried survivors during structural collapse incidents.
No one knows exactly how many working dogs were in New York, but at least 300 helped find survivors in the rubble and, later, found personal items that were returned to victims’ families.
Very few search dogs actually wear booties, despite the hazards. The dogs need to perform what is called a "soft walk" where they splay their paws for maximum traction.
Bernese mountain dogs are typical herding dogs and are trained to use their natural predatory skills without actually recognizing the livestock as prey.
Newfoundlands excel at water rescue, thanks to their large stature, powerful muscles, waterproof coat and webbed toes, which all enable the dogs to power through the water with ease.
Even though these large scent hounds are used primarily for tracking today, they were originally bred for hunting deer and wild boar.
The USDA uses the "Beagle Brigade" at airports across the country because of the dogs' keen sense of smell, nonthreatening size, high food drive and gentle disposition.
The most popular breeds are German shepherds, Belgian Malinois, Dutch shepherds and, occasionally, mixes of these breeds.
Police agencies often use Labrador retrievers for narcotics and explosives detection, evidence discovery and search and rescue. Bloodhounds are used for tracking, trailing and other scent work as well.
When a guide dog deems a command from its handler is unsafe, it will refuse the command. This is known as intelligent disobedience.
Therapy dogs provide all sorts of assistance, from working with a child who is learning to read to visiting assisted living housing, and they should not be confused with service dogs.
Three golden retrievers from Chicago joined two retrievers in Boston who also worked with families and students after the Sandy Hook Elementary shooting in Newtown, Connecticut.
Most of the dogs are Alaskan huskies or huskies. A few of the mushers have Siberian huskies.
That's actually the huge Great Dane.
These dogs — all Labrador retrievers — go through extensive training before becoming certified accelerant-detection canines.
The State Farm Arson Dog Program was created in 1993.
Both the fox terrier and Spanish water dog are considered hunters, but the Alaskan husky is a sled dog.
All military working dogs and their handlers are trained at the 341st Training Squadron located at Lackland Air Force Base in San Antonio, Texas.
Prior to the passage of 2016 National Defense Authorization Act, some military dogs were retired overseas, making them civilians and therefore ineligible for transport home on military aircraft.
Sgt. Stubby saved an entire company from a sarin gas attack in World War I. He also met three presidents.
Researchers have estimated that a bloodhound's nose consists of approximately 230 million olfactory cells, or scent receptors — 40 times the number in humans.
While the vizsla is most definitely a working dog — it's a dedicated hunting dog — it's listed in the American Kennel Club's sporting group, not working group.
New York was the first city to use K-9 officers in 1907.
The SEALs reportedly took a dog with them on the Osama bin Laden raid in Pakistan.