Hummingbirds sipped nectar, their wings a blur.
Meaning: This sentence captures the hummingbirds' rapid movement and their feeding habits.
Choice of Words: Hummingbirds are small birds known for their humming sound during flight. Sipped means to drink a small amount of liquid. Nectar is a sweet liquid produced by flowers. Blur means something that is not clear or distinct. When you put them together, "Hummingbirds sipped nectar, their wings a blur" means that the hummingbirds were drinking small amounts of nectar from the flowers while their wings were moving so quickly that they appeared as a blur.
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