Dinosaurs from the Upper Cretaceous period in the western United States. Artwork showing the following dinosaurs (from left) Pachycephalosaurus, Ornit

---

Dinosaurs from the Upper Cretaceous period in the western United States. Artwork showing the following dinosaurs (from left) Pachycephalosaurus, Ornithomimus, Triceratops and Tyrannosaurus rex.

---

Size: 3594px × 2431px
Photo credit: © NATURAL HISTORY MUSEUM, LONDON/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1800s, 19th, america, american, aquatint, artwork, audubon, audubons, biological, biology, bird, birdlife, birds, blue, caerulea, century, coloured, egretta, engraving, fishing, hand, heron, historic, history, illustration, james, john, natural, nature, ornithological, ornithology, perched, plume, print, study, swamp, wader, water, wild, wildlife, zoological, zoology