害鸟

例句：

1. 1. The nestingbirds are a nuisance to thecity residents.
   筑巢的鸟儿给城市居民带来了麻烦。
2. 2. The local authorities have beentrying to control the number of harmful birdsin the area.
   当地当局一直在试图控制该地区有害鸟类的数量。
3. 3. The bird population hasincreased significantly due to the introduction of newspecies.
   由于引入了新物种，鸟类数量显著增加。