flat-billed swan

Coscoroba coscoroba,Coscoroba Swan

Features：It looks like a goose, with a red beak and feet.

扁嘴天鹅主要在水中生活，游泳时颈部弯曲，头部低垂，姿态极为优雅。飞行时颈部向前伸直，脚伸向后，两翅煽动缓慢而有力。主要采食各种水生植物、海草、藻类及少量水生昆虫、鱼卵和甲壳动物等，在一些地方则专门以某一种水草为主。在觅食的时候，大多选择开阔的浅水地区，不停地将头部和颈部探人水中，取食水面上层丰富的食...

black-necked swan

Cygnus melanocoryphus

Features：One of the most emotionally devoted animals

The black-necked swan is a swan with a black neck and white body. It mainly feeds on various aquatic plants, seaweeds, algae and a small amount of aquatic insects, fish eggs and crustaceans. In some places, it mainly feeds on a certain kind of aquatic plants. Black-necked...