20 Most Beautiful Birds in the World (Pics)

Mandarin Duck: MandariThe first mandarins were imported to Britain in the mid-18th century, but it wasn't until the 1930s that escapes from wildfowl collections started breeding here.It is a colorful bird and symbol of love and marriage,native to Japan. The mandarin bird is regarded as the world's most beautiful duck. They frequently perch in trees, while the female invariably chooses a hole or cavity in a tree trunk in which to lay her eggs. China historically exported hundreds of thousands of mandarins, but the export trade was banned in 1975.