2 sentences

1. 雷鸟在冬天会换上白色的羽毛。

   léi​niǎo zài dōng​tiān huì huàn​shàng bái​sè de yǔ​máo.

   Ptarmigans grow white feathers in the winter.

   Source: Dong Chinese Dictionary

2. 雷鸟是美洲原住民神话中一种拥有巨大力量的神鸟。

   léi​niǎo shì Měi​zhōu yuán​zhù​mín shén​huà zhōng yī zhǒng yōng​yǒu jù​dà lì​liang de shén​niǎo.

   The Thunderbird is a divine bird with immense power in Native American mythology.

   Source: Dong Chinese Dictionary