母绿头鸭降落在河中. 绿头鸭是一种体型大而笨重的鸭子。拉丁名：Anas platyrhynchos，鸭科。雌鸭主要为棕色，喙为橙色。雌鸭正在降落，并溅起河水。

female mallard duck in mid flight a female mallard duck identified by its mottled brown plumage and orange splotched bill the duck

female mallard duck in mid flight a identified by its mottled brown plumage and orange splotched bill the is shown displaying

两只雌性绿头鸭正在打斗

两只母绿头鸭在打斗

飞行中的雌性绿头鸭。

两只母绿头鸭在打斗

母绿头鸭藏喙。一只母绿头鸭休息时将喙藏在翅膀里

a female mallard duck anas platyrhynchos swims in natural wetland its plumage is mottled brown with distinctive blue speculum

male and female mallard ducks anas platyrhynchos swim in a shallow water habitat the male has a distinctive glossy green head

female mallard duck anas platyrhynchos gracefully swimming on calm water light brown feathers are intricately patterned with

母绿头鸭

一只雌性绿头鸭

一只雌性绿头鸭

一只雌性绿头鸭在杂草中游泳

母绿头鸭

母绿头鸭

一只雌性绿头鸭降落在湖上

一只美丽的母绿头鸭坐在混凝土大坝上

一只雌性绿头鸭在湖中游泳

一对绿头鸭，一雄一雌

母绿头鸭

female mallard or wild duck anas platyrhynchos is lying in the grass

一只雄鸭的特写，母绿头鸭，户外野鸭射击

母绿头鸭在水中觅食

一只在水中梳理羽毛的母绿头鸭

母绿头鸭

母绿头鸭

孤立的雌性绿头鸭

母绿头鸭，两只小黄鸭

一只雌性绿头鸭 (Anas platyrhynchos) 降落在湖面上，湖面在水面上的倒影

母绿头鸭，1岁，站立

雄性和雌性绿头鸭的特写

母绿头鸭

雄性和雌性绿头鸭

母绿头鸭栖息在柱子上

母绿头鸭栖息在柱子上

带裁剪路径的母绿头鸭

母绿头鸭游泳

母绿头鸭

母鸭，站在白色背景前