pair of stegosauruses walking under sunlight, their iconic plates glowing as they move across a field

stegosaurus dinosaurs prehistoric jurassic plates sunlight walking pair reptiles ancient wildlife nature field outdoors glow movement grazing herbivores iconic majestic large animals history mesozoic era evolution extinct creatures tails spikes legs skin vertebrates fauna fossils land giants greenery natural backplates reptilian motion earth environment scenery landscape bright day sunshine wilderness scene primal paleo biology ecosystem warm afternoon reptile texture vertebrae vegetation habitat extinction megafauna slow gentle walk glowing rays earth