simple seal head silhouette: single stroke pencil drawing

seal head silhouette single stroke pencil drawing simple animal sketch art minimalist wildlife one line pen ink sea creature design marine life artwork abstract outline creative artistic simplicity minimal work sketching aquatic black white style underwater face easy graphite natureinspired handdrawn practice beginner therapy exercise minimalistic portrait silhouette: sketched stroke design mammal capturing essence seal seal#39aph39#s profile smooth line head generated