North American goldeneye diving duck.

北美洲鹊鸭科潜水鸭。

The Pochard, the diving duck was thought to be extinct.

专家认为，潜鸭现在已经灭绝。

Large-headed swift-flying diving duck of arctic regions.

北极地区大头、飞行敏捷的潜水鸭。

A small North American diving duck(Bucephala albeola) having black and white plumage and a densely feathered, rounded head.

巨头鹊鸭一种体型小的北美潜水鸭（巨头鹊鸭），有黑白色的羽毛和稠密的毛， 圆脑袋。

Duck Diving in the Water in one of the five big boxing in Yongchun Bai he Quan, with solidness in softness, and softness in solidness.

鸭子氽水是永春白鹤拳五大门面拳套中之一，能体现出柔中寓刚、刚中带柔的特点。