trail print of bird on white background. penguin tracks. footprint silhouette tracks of penguin.

birds footstep mark long away penguin tracks silhouette nature bird print footpath step dove label flat web icon background tracking pawprint pitch walking graphic path black walk wild paw pet track trace pattern farm footprint cartoon shape foot vector trail texture design isolated symbol animal gray people white eps10 font line drawing sketch wing branch calligraphy brand iron text logo diagram background tracks penguin