When a baby bird hatches from its egg, it is called a hatchling. Penguins incubate their eggs in a rookery until they hatch. Usage and Meaning 1. fatherly 2. reproduce 3. All animal babies need homes, and all animals provide homes for their babies. Different kinds of animals have different kinds of homes.
Penguins raise their young in a rookery.
Prairie dogs live in underground burrows. Tent caterpillar larvae hatch from cocoons to become moths. Alligators lay eggs in nests near the water. Parasites live most of their lives on host animals. Chimpanzees make nests in trees.