Dogs Poop In Alignment With Earth’s Magnetic Field, Study Finds

From The PBS News Hour

Dogs use the Earth’s magnetic field when they’re relieving themselves. Not only that, but canines choose to do so in a north-south axis, a new study published in the journal Frontiers in Zoology says.

The study suggests that dogs are sensitive to small variations in Earth’s magnetic field. After examining 70 dogs — made up of 37 breeds — over two years, 1,893 defecations and 5,582 urinations, researchers found that under “calm magnetic field conditions,” dogs preferred to “excrete with the body being aligned along the north-south axis,” avoiding east-west altogether. Dogs were observed in a free-roaming environment, meaning they were not leashed and not influenced by walls or roads that would influence linear movement.

Why do the dogs prefer the north-south axis and avoid east-west? That was unclear, according to the study:

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