The parent birds fed them worms.

Meaning: The mother or father birds gave food to the baby birds, which were long, thin, soft-bodied invertebrates.

Choice of Words: Parent refers to a mother or father. Birds are animals that have wings and feathers. Fed means to give food to. Them refers to the baby birds. Worms are long, thin, soft-bodied invertebrates.

Alternative Expressions

Related Expressions