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A white crested duck is seen during the Rabbit, Cavy and Poultry Show at the 2017 Royal Agricultural Winter Fair in Toronto, Canada, Nov. 12, 2017. (Xinhua/Zou Zheng)
A white crested duck is seen during the Rabbit, Cavy and Poultry Show at the 2017 Royal Agricultural Winter Fair in Toronto, Canada, Nov. 12, 2017. (Xinhua/Zou Zheng)