Get yer binoculars, folks

Image (Source 3).

Jane Goodall's study of chimpanzees in Tanzania is the longest study of any wild animal group, spanning 45 years (Source 1).

(Source 2)

Bibliography
1.  "30 Years of National Geographic Specials" DVD,  "Jane Goodall: My Life with the Chimpanzees: 1990" scene.  NGT, Inc., 2003.  ISBN: 0-7922-9994-9.


2. "Jane & Flint" image by photographer Hugo van Lawick, National Geographic Society.  From article, "The Jane Goodall Institute Of Canada Marks The 50th Anniversary Of Dr. Jane Goodall's Research" by Social Media Release, posted 2010.  WWW: http://smr.newswire.ca/en/jane-goodall-institute-of-canada/jane-goodall-institute-50th-anniversary.


3. "Peter Scott: the 'patron saint of conservation'." image in article "My hero: Peter Scott" by Louisa Young, 2011. Photograph copyright: Hulton-Deutsch Collection/Corbis.  WWW: http://www.guardian.co.uk/books/2011/dec/30/my-hero-peter-scott-louisa-young.