You may be correct on your suspect cockerel... the white head spot is not a tight female spot but more irregular head splashing. Pullets will retain the black shaded front shanks & toe tops for quite a while before the leg shading disappears completely. If your suspected cockerel starts losing...
I love big fluffy dog breeds... but I never can have them in a small yard or our torturous heatwaves. These beautiful large working/guardian breeds love tasks to keep busy & were bred to work over large territories/flocks/herds. At my age & health now, I'd be lucky to handle a Chihuahua :old