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Originally Posted by wayneee
As for Birds , it is a fact that they do indeed have internal compasses as concentrated deposits of Iron in thier brains. This indeed might have such an Effect , but its speculation.
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Not a chance. Birds use their natural compass in the same way humans use an artificial compass: to keep on track over long distances and for orientation. Birds don't need their compass to avoid objects and find food and building material in the same way that we don't need a compass to walk around the house. They can
see just fine.