Yep, that's someone dressed in a chicken suit. - danandholly.com
A Small Girl at Easter Eats Ginger Cookies, Painted Eggs, Laughs. Girl in the Kitchen in a Chicken Suit Stock Image - Image of food, costume: 139261065
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Watch: little girl dressed as a chicken goes viral in cute 'Chicken Cheech' video | HELLO!
Yellow and red chicken mascot, giant rooster Sizes L (175-180CM)
Woman in a chicken suit, 1910 « How to be a Retronaut