John James Audubon, the 17th century ornithologist and painter, is recognized for his research on the various types of American birds and equally noteworthy for his illustrations of the birds in nature. One of his principal works published was a series in between 1827 and 1838, is entitled The Birds of America. The color-plated book was published in Edinburgh and London and featured 25 new species, including six birds which are now extinct: Carolina Parakeet, Passenger Pigeon, Labrador Duck, Great Auk, Esquimax Curlew, and Pinnated Grouse. In 2010, a complete copy of the book was sold for a jaw dropping $11.4 million at Sotheby’s in London. The book contains a total of 1,000 life-size illustrations of 435 birds. The book broke the Guinness World record for a published book – Bill Gatespurchased Leonardo da Vinci’s handwritten Leicester Codex for $31 million in 1994.