While Babe the pig is babysitting a batch of duck eggs by sitting on them, they hatch and he becomes the mother of the new ducklings, naming them, teaching them how to behave, and using them to herd his sheep.
In rhyming text, the Cat in the Hat introduces Sally and Dick to the various inhabitants of the ocean, including herring, mackerel, jellyfish, sharks, manatees, and whales.