A decoy for attracting fowl is disclosed. The decoy includes a head structure, a support that secures the decoy to the ground, and a wind-inflatable body that includes an opening through which wind passes to inflate the body. The body is attached to both the head structure and the support. With respect to the head structure, a first portion of the body is attached using an aperture in the head structure that has a continuous periphery. With respect to the support, a second portion of the body is attached such that the second portion is movable in relation to the first portion, thereby allowing a user to alter the shape of the opening in the body.