First Day Cover
首日封
Sobrescrito de 1.º Dia
ChinaMandarin Duck
Date of Issue : 20 August 2015
A species of migratory birds, the mandarin duck belongs to the genus Aix of the family Anatidae in the order Anseriformes and is under state second-class protection in China. In the breeding season, male and female mandarin ducks are often seen swimming pairs. For this reason, mandarin ducks are regarded as a symbol of conjugal love.
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