SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
Fer-de-lance snake, 19th-century artwork. There are a number of different species described by the term fer-de-lance, most from the genus Bothrops and all poisonous. This one, which hunts aquatic prey such as the frog here, is described as being native to the southern parts of the USA. Artwork from the 19th volume (first period of 1897) of the French popular science weekly 'La Science Illustree'.
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