Pakupera kwa1826, Bonaparte nemhuri yake vakadzokera kuEurope. Akashanyira Germany, kwaakasangana naPhilip Jakob Cretzschmar, uye England, kwaakasangana naJohn Edward Gray paBritish Museum, uye akavandudza kuzivikanwa kwake naAudubon. Muna 1828, mhuri yakagara muRome. MuItaly, aive muvambi wemisangano yakawanda yesainzi, uye akapa hurukuro uye akanyora zvakanyanya paAmerican neEuropean ornithology nemamwe matavi enhoroondo yechisikigo. Pakati pa1832 na1841, Bonaparte akaburitsa basa rake pamhuka dzeItaly, Iconografia della Fauna Italica. Akanga aburitsawo Specchio Comparativo delle Ornithologie di Roma e Filadelfia di Filadelfia (Pisa, 1827), achienzanisa pakati pemhando dzeshiri dzePhiladelphia. Akadana zita rekuti Zena Bonaparte, zita remukadzi wake, mushure mekunge asangana naJohn Edward Gray kuBritish Museum, uye akavandudza kuzivikanwa kwake naAudubon. Muna 1848, mhuri yakagara muRome.
Audubon