Question

birds in oz often have colorful plumage, which means— their feathers. their claws. their nests.

Explanation:

The word "plumage" in the context of birds refers to their feathers. This is a common term used in ornithology (the study of birds) to describe the collective covering of feathers on a bird. Claws are the sharp, curved nails on a bird's feet, and nests are the structures birds build for shelter or raising young. Since the question is about the meaning of "plumage" in relation to birds having colorful plumage, the correct reference is to feathers.

Answer:

their feathers.