青头潜鸭

qīng tóu qián yā

(bird species of China) Baer's pochard (Aythya baeri)

青

qīng

abbr. for 青海[Qing1 hai3], Qinghai Province

头

tóu

head

潜

qián

hidden

鸭

yā

duck (CL:隻|只[zhi1])