An air space is formed between the two shell membranes at the thick end of the egg, on account of evaporation after the egg is laid. ” ​ — Ostrich Farming in the Little Karoo.
Suatu ruang udara terbentuk di antara kedua membran cangkang di ujung telur yang tebal, karena adanya evaporasi setelah telur diletakkan ”. ​ — Ostrich Farming in the Little Karoo.