Aviapril day 7, Ichthyornis dispar. Made a last-minute tweak to the colors to make it more white and less gray which suits it much better imo. Webbed feet continue to be a great adversary in pixel art.

Niobrara

Pteranodon, Geosternbergia, Nyctosaurus, Ichthyornis, Hesperornis, Styxosaurus

"The earliest known waterbirds: Toothed Water-birds of the Cretaceous Period. Swimming and standing, Hesperornis; flying, Ichthyornis. (Re-stored from Marsh's Skeletons.)

From Winners in life's race, or, The great backboned family by Arabella B. Buckley, 1882