[Xylakant]

> any plausible reason for a non-migrating animal to align with the magnetic field, when defecating or at any other time.

Snow foxes seem to hunt better when oriented in direction of the magnetic north.

https://m.phys.org/news/2011-01-predation-foxes-aided-earth-... https://youtu.be/D2SoGHFM18I