Pteranodon - a large Late Cretaceous pterosaur with wingspans over 6 meters. Known for its sexual dimorphism, males had long, backward-facing crests and were significantly larger than females, whose crests and body sizes were smaller. 1/4
@gabipaleo.bsky.socialHesperornis - a large aquatic bird from the Late Cretaceous. These slender birds barely had any wings and likely led a lifestyle similar to that of modern penguins or cormorants. 1/3
