Verse 5

अन्येषु च विचित्रेषु ब्रह्माण्डेषु च भूरिशः ।नानाचारविहाराणि विहरन्ति सहस्रशः

In plain words

And in other wondrous world-eggs, in great number, by the thousands, they disport themselves, with manifold modes of conduct and pastime.