Monday, December 21, 2020

How Do Dogs Find Their Way Home? They Might Sense Earth's Magnetic Field Smart News

Dogs extend their scent range by moving among overlapping circles of familiar scents—much the way cell phone coverage relies on interconnected footprints from different cell towers. A dog that wanders out of its own immediate range might pick up the scent of, say, a familiar dog in the next circle. That might point it to a circle that contains a familiar person or tree or restaurant trash can, and so on. Each time your dog takes a walk around your neighborhood, he uses his nose to get familiar with the scents of home. There's the fire hydrants and the bushes, the sidewalks and the fences.

The dogs remained together in the shelter for several months, until Ben was rescued. Just three weeks later, he bolted from his new home and crossed 10 miles of streets, railroad tracks, and other obstacles to find Jade at the shelter. Seeing the strength of the reunited pair’s bond, Ben’s new family decided to rescue Jade, too. Then there’s the story of Bucky, a three-year-old Labrador who, in 2012, traveled 500 miles from Virginia to South Carolina in search of his owner, Mark Wessells. Wessells had delivered Bucky to live with his father in Virginia, because his accommodation banned dogs. Eight months later, Bucky showed up, wandering a forest in South Carolina.

Can dogs smell their way home?

And not only is he smelling as he goes, he's also leaving distinct scents behind, each time he puts down his paws. The compass run indicates that dogs are feeling the pull of the magnetic field, even if they only use it to set the stage before they start to track a scent. The researchers explain how dogs have been bred for their navigational prowess and used during wartime for their ability to find their way home.

If you like to give your dog outside time, make sure your yard is fenced and that there are no gaps or other areas where your dog can dig to get out.

Spay or neuter your dog

It’s just that there are many roadblocks in the world that dogs simply don’t know how to deal with. This durable rubber mango toy — which can be filled with dog treats — is sure to provide hours of chewing fun. "Our findings clearly show the importance of further research on the role and involvement of magnetic cues in canine navigation," explains the study. All dogs began their return trips to owners with a 'compass run' (along the north-south geomagnetic field axis). Researchers believed this helped the dogs orient themselves for the return trip. Many animals use the magnetic field to navigate, especially those that migrate long distances each year or naturally travel around huge areas as part of their hunting or mating cycles.

how do dogs find their way home

The other reason dogs are able to find their way back home is because they’re loyal. Motivated by these things, they are able to find their way back home even when there isn’t that characteristic smell to guide them. So, they’re able to find the scent they’re looking for in an area that’s full of different smells. And, they have the ability to follow a scent until they find it.

Can dogs find their way back home if they get lost?

She had found another house with food and two doggy friends. One of the most remarkable animals with great navigation skills is the pigeon. It used to be believed that they found their way back home via the iron in their beak, but later studies found that the iron was related to their immune system, not navigation. Download this e-books to learn what steps to take if your dog goes missing. You can also get a GPS tracker for your dog’s collar to track him.

how do dogs find their way home

They also controlled for factors like breed and sex as well as sun position and wind. This newfound ability means that they can likely remember the direction they had been pointing when they started, and then use the magnetic compass to find the most efficient way home. Scientists still don’t know how dogs are able to hone in one scent and follow it without getting distracted. And while we believe cats are using magnetism like birds do to find their way home it’s possible they’re using mental maps. Dogs of varying breeds were exposed to their own scent or that of a familiar dog, a strange dog, a strange human or a familiar human.

They can use this skill like a compass.

To understand a little about how their sense of smell guides them back home, you need to understand how it works. Click here to read more stories like this and get unlimited access to Popular Mechanics. Courtney Sexton, a writer and researcher based in Washington, DC, studies human-animal interactions. She is a 2020 AAAS Mass Media Fellow and the co-founder and director of The Inner Loop, a nonprofit organization for writers. Maybe he would just keep going for the next interesting thing and never turn back. But if he were to try to find home are there things I can do as we walk the neighborhood to assist him finding home.

But unlike the magnetic field method, there can be space for error when a dog is using its nose to find its way home. "The exception is when dogs end up being too far away and there are no familiar scents in the area to guide them, or when scents get mixed up with others, leading them astray," Kennedy explains. But still, the animal expert says that most dogs are typically able to find their way home through one of these methods. Dogs are able to hone in on one specific smell and follow it for long distances. They rely on overlapping circles of familiar scents to find their way back home, much like we can rely on cell phone pings on towers to find specific locations.

The theory is that a dog creates a map of scents from odiferous sites like a food store or fertilized garden — or even just a hint of an owner’s scent in the ground or air. The research might be new, but dogs’ homing abilities have been celebrated throughout the ages. Here are some of our favorite stories of dogs navigating their way through thick and thin.

The anal glands are located at the base of the tailbone, near the anus. When a dog urinates, he pushes his hind legs forward and lifts his tail up, which allows him to release the urine into the air. Dogs get heart murmurs when they are born, and they usually don’t need treatment for them. However, if a dog has a murmur that lasts longer than one month, then he needs to be treated. The best way to treat a dog with a heart murmur is to give him a beta blocker. If travelling with puppies, wait until their vaccinations are complete.

Dogs Navigate Using Magnetic Fields

The part of a dog’s brain that catches these smells is much more developed too. This gives them the ability to find that scent in any area. Another navigational clue may come from dogs’ suspected sensitivity to differences in magnetic orientation. A study of dozens of dogs found that they usually preferred to defecate with their bodies aligned in a north-south orientation, a preference that disappeared when the magnetic field was disturbed.

how do dogs find their way home

Research on wolves has indicated that they use visual landmarks to help guide their way around their territory. Researchers have also found that some wolves have taken shortcuts to get from one point to another. You should always have an ID tag on your dog’s collar that includes your dog’s name and all of your information. That way if someone finds your dog, they’ll know he belongs to you, and they’ll be able to contact you. When walking your dog outside, it’s best to keep him on a leash.

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