0 New HSK word(s):

0 Old HSK word(s):

黑嘴端凤头燕鸥 [hei1 zui3 duan1 feng4 tou2 yan1 ou1]

Bernsteinseeschwalbe (Bio)
红燕鸥 [hong2 yan1 ou1]

Rosenseeschwalbe (Bio)