The one-year-old male parrot, named Huangguan, likes crowds and is always willing to show off his skills in the morning, said Ma. /VCG Photo

Ma just needs to take banknotes out of her purse and give a number, and Huangguan will pick the banknote with the right value. /VCG Photo

Yellow-crowned parrots are clever and Huangguan probably differentiates the colors of the notes rather than their value, according to one bird expert. But what do you think? /VCG Photo