Using 3D printed eggs to examine the egg-rejection behaviour of wild birds.
Igic B, Nunez V, Voss HU, Croston R, Aidala Z, L?pez AV, Van Tatenhove A, Holford ME, Shawkey MD, Hauber ME. Using 3D printed eggs to examine the egg-rejection behaviour of wild birds. PeerJ. 2015; 3:e965.