Eastern Spot-billed Duck Scientific name: Anas zonorhyncha: is a duck of the bird family and duck family. The body size is similar to that of Mallard, with a body length of 50-64 cm and a body weight of about 1 kg. The colors of male and female feathers are similar. The upper mouth is black, the apex is yellow, the feet are orange, the face to the upper neck side, the eyes first, the eyebrow lines, the chin and the throat are pale yellow and white, and the distance looks white, which is obviously contrasted with the deep body color. The wing mirror is green with metallic luster. The iris is dark brown and orange on the periphery; the mouth is blue-black with orange-yellow end spots; the tip of the beak is slightly black, the tarsal and toe are orange-yellow, and the claws are black.
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