- Pigeons navigate using magnetic sensors in livers — study DW.com
- To travel far on cloudy days, pigeons listen to their gut CNN
- How do pigeons sense Earth's magnetic field? Scientists say they’ve solved the mystery. National Geographic
- A new study says homing pigeon livers act like compasses. Other experts aren’t so sure Scientific American
- Pigeons may be navigating with their liver, study suggests AP News
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