Check it out and see if it's true. SR said that he had read this before. A friend in my greyhound group posted this link:
Pointer Dogs: Pups Poop Along North-South Magnetic Lines
By Marc Lallanilla, Assistant Editor | January 03, 2014 04:12pm ET
Dog owners have observed some odd behaviors among their pets — sniffing butts, eating garbage, giving unconditional love — but one habit has probably escaped their attention: Dogs apparently prefer to poop while aligned with the north-south axis of the Earth's magnetic field.
That's the surprising conclusion of an exhaustive study, conducted by German and Czech researchers, who spent two years watching 70 dogs while they defecated and urinated thousands of times. The scientists then compared the dogs' behavior and orientation with the geomagnetic conditions prevailing at the time.
The researchers found that the dogs preferred to poop when their bodies were aligned in a north-south direction, as determined by the geomagnetic field. (True north, which is determined by the position of the poles, is slightly different from magnetic north.) [10 Things You Didn't Know About Dogs]
And while dogs of both sexes faced north
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