alethopterids

例句：

1. 1.The alethopterids are a rare species of bird that can fly backwards.
   这些鸟是一类罕见的鸟类，它们能够倒飞。
2. 2.The alethopterids were discovered in the Amazon rainforest.
   这些鸟是在亚马逊雨林中发现的。
3. 3. Alethopterids are known for their unique ability to fly backwards.
   阿尔特欧珀特鸟因其独特的倒飞能力而闻名。