Birds fly over the forest in formation.
Meaning: Birds are a group of animals that have feathers, beaks, and lay eggs. They fly in groups called formations.
Choice of Words: Birds are warm-blooded vertebrates constituting the class Aves, characterized by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton.
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