1. An action recognition apparatus that acquires image data generated by capturing an image including a face of a human and outputs action information representing an action content of the human captured in the image data, the action recognition apparatus comprising: a face-portion specifying section that specifies a first image region including a face portion of the human from the image data; an acquisition section that acquires skin-color information peculiar to the human from pixel values of the first image region; a specifying section that specifies at least one second image region including a predetermined portion of a body of the human from the image data except for the first image region based on the skin-color information; and an information output section that outputs the action information representing the action content of the human based on position relation between the specified first image region and the specified second image region.