Gregarious bird species.

• 群居的鸟类

Gregarious bird species.的用法和样例：

例句

1. All human beings have a gregarious instinct.
   人类有群居的本性。
2. Except for hermits and recluses, who shun company, most people are gregarious.
   除规避人群的隐士及遁世者外，大部分人都是喜好群居的。