zentangle pterodactyl dinosaur

adult ancient animal anti antistress archeology art artwork beak beast bill bird black body book bush carnivore cartoon claws coloring contour crest cretaceous design dino dinosaur doodle drawing era extinct eyes fauna flock flora flying foliage fossil freehand head hunting illustration jurassic landscape leaf life line monochrome monster nature ornament outline page period predator prehistoric pteranodon pterodactyl pterosaur relax reptile reptilian stress style stylized tail tangle totem trees tribal vector white wild wildlife wings zen zentangle zoology