Final answer:
The passage is written in an informal style with descriptive language and a conversational tone, engaging the reader's senses and emotions.
Explanation:
The word best describing the style of the passage is informal.
The passage uses casual language and conveys a sense of intimacy through the narration of personal experiences with the birds, making it more informal in style. The use of phrases like 'No bird... had ever hopped and REMAINED' and 'But none had stayed to inquire-to reflect-even to seem' reflect a conversational tone typical of an informal style of writing.
Additionally, the passage includes descriptive language that creates a vivid image of the bird's behavior, contributing to the informal style by engaging the reader's senses and emotions.
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