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The first person to see a chimpanzee use a tool was Jane Goodall in 1960. She saw David Greybeard a chimpanzee she named and saw him get a piece grass and used it for fishing termites. The chimpanzee inserted the piece of grass into the hole it made on a termite mound. David Greybeard did the process a couple of times until he got full then Jane Goodall went to the mount to figure out what the chimpanzee was doing. Over a couple of days, David and other chimpanzees were observed using a piece of a twig to get termites out of the mount.
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Retrieved November 23, 2013, from http://phys.org/news/2012-03-gorilla-genome-sequenced.html Scally, A., et. al (2012). Insights into hominid evolution from the gorilla genome sequence. Nature, 483 (7388), 169-175. doi:10.1038/nature10842
In the beginning, they are interested in local chimpanzees of using natural-hammers which are stones and branches to open hard-shell nuts. They had never seen another primate using stones as a tool before except our human being. Not only the chimpanzees in the Tai national park know how to use the stones as a tool, but they also would select the appropriate size of stone which near the tree instead of running around to search the stone. The researchers think that this kind of mental ability is close to a nine-year-old human. As their work progressed, another significant discovery that surprised them is that chimpanzees are eating meat.
“Fossil Skeletons May Be Human Ancestor.” Livescience. TechMedia Network / Innovators, 2013. Web. 20 Nov. 2013 Morris, Alan G. "New Hominin Fossils From Malapa: The Unveiling Of A Ustralopithecus Sediba." South African Journal Of Science 106.3/4 (2010): 1-2.
He also found out that giraffes live in the interior of Africa where the soil is dry, so they can feed on trees (Holdrege para. 3). Charles Darwin made an adjustment on the evolution of giraffes sixty years later (Holdrege para. 5). Charles Darwin thought that the giraffe have long legs, neck, and tongue to eat off of higher branches in trees (Holdrege para.
Nature.423, 742-747 (2003) http://www.nature.com/cgi-taf/DynaPage.taf?file=/nature/journal/v423/n6941/ful/nature01670_fs.html x Bower, Bruce, African Legacy: Fossils plug gap in human origins. Science News Online, vol. 163, No. 24 http://www.sciencenews.org/articles/20030614/fob1.asp