鸟类志

例句：

1. 1. The avifauna of the region is diverse and includes many species that are not native to the area.
   该地区的鸟类多样性丰富，包括许多该地区没有原生种的物种。
2. 2. The study of avifauna is important for understanding the ecosystems in which they live.
   研究鸟类对于理解它们生活的生态系统非常重要。
3. 3. The park has a variety of bird species, including rare ones that are not commonly seen in other areas.
   公园里有各种各样的鸟类，包括一些在其他地区不常见的稀有种类。