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Originally Posted by wayneee
I was ignorant of these issues, they claimed them so convincingly. Boy thats dangerous. 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. But the Birds brain is so small that prehaps such magnetic distortion could overide sight . But it is speculative I agree.
I dont understand by where was that in the movie
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Birds fly by sight, they follow routes... roads, power lines, rivers, etc etc. Even if it means flying extra distance, they follow a route which uses natural and man made features as their map. Several studies recently have shown that they even do this for long-distance migrations.