Turn North! Moo?

Cattle shown to align north-south

"Have you ever noticed that herds of grazing animals all face the same way?
Images from Google Earth have confirmed that cattle tend to align their bodies in a north-south direction.

(...)
Dr Begall and colleagues first decided to study the natural behaviour of domestic cattle.
The researchers surveyed Google Earth images of 8,510 grazing and resting cattle in 308 pasture plains across the globe.

"Sometimes it took hours and hours to find some pictures with good resolution," said Dr Begall.
The scientists were unable to distinguish between the head and rear of the cattle, but could tell that the animals tended to face either north or south.

(...)
Willy Miller - a Scottish cattle farmer - remarked: "I've never noticed that my cows all face the same way."

Por acaso não fui procurar o artigo que descreve o estudo, mas acho muito muito estranho. Ou se calhar só acho estranho porque não costumo olhar para gado.

BBC News

mais uma vez sugerido pelo Luís. :)