For example, it is claimed that when a recording of the male emu’s call is played shortly before the eggs hatch, the movements of the chicks inside cause the eggs to sway back and forth.
Misalnya, menurut laporan, sewaktu rekaman pekikan emu jantan diputar tidak lama sebelum telur - telur menetas, telur - telur itu bergoyang ke sana ke mari karena gerakan anak - anak burung di dalamnya.