黑枕燕鸥

hēi zhěn yàn ōu

(bird species of China) black-naped tern (Sterna sumatrana)

黑

hēi

abbr. for Heilongjiang province 黑龍江|黑龙江[Hei1 long2 jiang1]

枕

zhěn

(bound form) pillow

燕

yàn

variant of 燕[yan4]

鸥

ōu

common gull