Image credits
Image Credits:

Image Credits: sketch of bird, courtesy of Hougton Library, Harvard University 288/ 43M-828(4); Roosevelt and his family, courtesy of the Theodore Roosevelt Collection, Harvard College Library; Oyster Bay Sanctuary and birds, Mike Hughes; book, Chris Kerr/The Noun Project; notebook and pencil, Delwar Hossain/The Noun Project; binoculars, Picons.me/The Noun Project.