According to this [1] nature article, homing pigeons have an innate sense of where 'home' is and can use the Earth's magnetic field to point themselves in the r

According to this [1] nature article, homing pigeons have an innate sense of where 'home' is and can use the Earth's magnetic field to point themselves in the right direction, thanks to iron in their beaks. They don't need to 'learn' the path, like some migratory birds - they have a built in GPS. Which is kind of neat, when you think about it. [1] http://www.nature.com/news/2004/041122/full/news041122-7.html http://www.nature.com/news/2004/041122/full/news041122-7.htm...