Pigeons have been transported more than 100 miles [150 km] to unfamiliar places while under deep anesthesia or in rotating drums, yet after circling a few times, they have calculated their position and turned accurately toward home.
Dažu nedēļu laikā gandrīz visi albatrosi bija atgriezušies mājās. Ar baložiem ir veikti vēl sarežģītāki eksperimenti.