ai generated flat silhouette icons of prehistoric animals, featuring woolly mammoths, saber-tooth tigers, giant sloths, and early

age ancient animals art biology bones creatures cretaceous design dinosaurs discovery educational environment era evolution extinct fossil fossilized giant graphic herbivore history ice icons jurassic landscape mammals mammoths megafauna natural paleontology predator prehistoric reptiles sabertooth science scientific silhouette sloths tigers triassic vector wildlife woolly