Platypus spur
Ornithorhynchus anatinus
Watercolor, Color Pencil, Ink
February 2006
The duck-billed platypus is the only known venomous mammal. Only males have the venom-delivering spur, located on the inside back of their hind legs. This illustration was used for the Dazzling and Dangerous Exhibit at the Aquarium of the Pacific in Long Beach.
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