1. Mandarin duck (scientific name: Aix galericulata): mandarin duck refers to the male bird and mandarin refers to the female bird, so mandarin duck is a synthetic word. Belonging to the goose-shaped purpose of medium-sized ducks, the size between the green duck and green-winged duck, body length 38-45 centimeters, weight 0.5 kg or so. Male and female different colors, male birds red beak, feet orange-yellow, plumage color bright and gorgeous, head with brilliant crown feathers, behind the eyes with broad white eyebrow lines, wings have a pair of chestnut-yellow fan-shaped upright feathers, like sails on the back, very peculiar and eye-catching, the field is very easy to identify. The female has a black beak, orange feet, grayish-brown head and entire upperparts, white around the eyes, followed by a fine white browline, which is also extremely striking and unique.

2. Mainly inhabits mountain forests rivers, lakes, ponds, reed swamps and rice fields. Omnivorous. Mandarin ducks for China's famous ornamental birds, the reason why it is seen as a symbol of love, because people see the mandarin ducks are out of pairs. It is a bird that often appears in ancient Chinese literature and myths and legends. People often use mandarin ducks as a metaphor for the love between men and women.