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36. The Arctic Woodpecker (Picus arcticus). 37. The Red-bellied Woodpe...
Public domain scan of 19th-century zoological illustration, free to use, no copyright restrictions image
13. The Musk Tortoise (Sternothærus odoratus). 14. The Red-bellied Ter...
Public domain scan of 19th-century zoological illustration, free to use, no copyright restrictions image
87. The Red-throated Hummingbird, male and female (Trochilus colubris)...
Public domain scan of 19th-century zoological illustration, free to use, no copyright restrictions image
124. The American Smelt (Osmerus viridescens). 125. The Western Mud-fi...
Public domain scan of a technical diagram, plan, or drawing, free to use, no copyright restrictions - Picryl description.