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wbl 3 days ago

So when will prey evolve to always face southwest?

soulofmischief 3 days ago | parent | next [-]

Oh well that's the funny thing, Southwest is the next best direction given that it's on the same axis as northeast.

> a large majority (74%) of successful attacks in high cover were confined to a cluster centred about 20° clockwise of magnetic north with a small (15%) secondary cluster at due south, while attacks in other directions were largely unsuccessful.

https://pmc.ncbi.nlm.nih.gov/articles/PMC3097881/ (there's a nice little chart showing angular preference.

The researchers also mention a previous study they'd worked on in the first paragraph of the introduction, dealing with the geomagnetic alignment of grazing cattle. I hadn't read this one before so I took the time, and it's equally fascinating. https://pmc.ncbi.nlm.nih.gov/articles/PMC2533210/

wbl 3 days ago | parent [-]

If the fox jumps northeast preferentially prey facing that way will see the fox more often. There is some equilibrium here I can't calculate but that was the thinking behind my joke.

soulofmischief 3 days ago | parent [-]

Oh, yeah that went over my head, that's actually pretty funny.

noworriesnate 3 days ago | parent | prev [-]

This is actually a common tenant of rabbit religions FYI