2.① Content: From the changes of animals, the scenery of early spring was written.
(2) refining the word "contention" and "pecking": using anthropomorphic techniques, writing the vitality of spring; B "A few places" is not "everywhere" and "whose home" is not "every family", which accurately shows that the season is early spring; C "early" and "new": accurately indicate that the season is early spring.
3 Rhetoric: a personification, see Example A of 2; Duality: Use antithetical sentences, which are clean and catchy.
④ Emotion: Expressed love for the scenery in early spring.