黑枕燕鸥 (黑枕燕鷗) hēi zhěn yān ōu

hēi zhěn yān ōu noun black-naped tern (Sterna sumatrana)
Domain: Modern Chinese 现代汉语 , Subdomain: Zoology , Concept: Bird 鸟
Notes: Bird species of China (CC-CEDICT '黑枕燕鷗')