Quantum mechanics actually! https://www.scientificamerican.com/article/how-migrating-birds-use-quantum-effects-to-navigate/ https://www.scientificamerican.com/

Quantum mechanics actually! https://www.scientificamerican.com/article/how-migrating-birds-use-quantum-effects-to-navigate/ https://www.scientificamerican.com/article/how-migrating-bir...