The ostrich eggs hatched for 10 days will look more alive than before. There will be many tiny cracks on its surface, revealing the internal movement. In addition, the hatched eggs will gradually darken, from almost transparent to turbid, showing more details. At the initial stage of incubation, the embryo in the egg is still developing. At this time, if the egg is photographed, it is possible to see the outline of the embryo and other changes. In a word, ostrich eggs hatched for 10 days will change obviously, indicating that many interesting things have happened in the eggs.