0 cattle / cows / deer / magnetoreception / magnetosensing / migration / neuroscience / science 2008-08-26 by mike · Published 2008-08-26 Iron Cows Domestic cattle (n = 8,510 in 308 pastures) across the globe, and grazing and resting red and roe deer (n = 2,974 at 241 localities), align their body axes in roughly a north–south direction...