Well, you heard the cackle of the hen when the egg laid? It is also the rooster sings at special
So a ruckus is heard, that's exactly the egg should be like a ostrich )))
PS. The cartoon is not seen, according to the dash - something foreign (likely PR-VA USA) and rare, right?
In this regard, recall "Forest house," V. Bianki - as I recall, there is about bird nests and various eggs are also mentioned:
SPOILER