simple hippopotamus silhouette coloring pages

hippo coloring pages art page color simple hippopotamus silhouette sharpie marker outline stroke full height side view quick doodle sophisticated ornamentation datamosh angura kei captivating linear illustrations monoha prehistoricore adult book adults showcasing stunning ornamental realistic stylized design dariusz zawadzki john mckinstry captured high resolution sparse aesthetic adds charm animalier-inspired artwork generated