RMBY5PKX–Hesperornis regalis, a species of ancient flightless bird of the late Cretaceous period.
RM2A775YT–Hesperornis regalis, extinct gigantic diver, Cretaceous. Illustration by J. Smit from H. N. Hutchinson's 'Extinct Monsters and Creatures of Other Days,' Chapman and Hall, London, 1894.
RMCB5M7R–Hesperornis regalis, extinct genus of flightless aquatic birds that lived in the Cretaceous period.
RM2A40W64–Fossil skeleton of an extinct Hesperornis regalis, penguin-like bird of the Campanian era, Late Cretaceous. Illustration from Wilhelm Bolsche’s Das Leben der Urwelt, Prehistoric Life, Georg Dollheimer, Leipzig, 1932.
RM2A5NJHT–Skeleton of Hesperornis regalis, from Cretaceous strata, North America. After Othniel Charles Marsh. Engraving from Henry Neville Hutchinson’s Creatures of Other Days, Popular Studies in Palaeontology, Chapman and Hall, London, 1896.
RM2A5NJK2–A gigantic diver, Hesperornis regalis, from North America, Cretaceous Period. Print after an illustration by Joseph Smit from Henry Neville Hutchinson’s Creatures of Other Days, Popular Studies in Palaeontology, Chapman and Hall, London, 1896.
RM2H58X0P–Hesperornis regalis, species of extinct cormorant-like bird that lived in the Campanian age, Late Cretaceous. Hesperornis regalis Marsh Colour printed illustration by F. John from Wilhelm Bolsche’s Tiere der Urwelt (Animals of the Prehistoric World), Reichardt Cocoa company, Hamburg, 1908.
RM2A5NJFX–A large herbivorous dinosaur, Claosaurus, from North America, Cretaceuous Period. The bird on the right is a young Hesperornis regalis. Print after an illustration by Joseph Smit from Henry Neville Hutchinson’s Creatures of Other Days, Popular Studies in Palaeontology, Chapman and Hall, London, 1896.
RM2DG3W70–Hesperornis regalis, extinct species of ancient flightless bird of the late Cretaceous period, descended from earlier flying birds of the Mesozoic Era. Hesperornis.Colour printed illustration by Heinrich Harder from Wilhelm Bolsche’s Tiere der Urwelt (Animals of the Prehistoric World), Reichardt Cocoa company, Hamburg, 1908. Heinrich Harder (1858-1935) was a German landscape artist and book illustrator.
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