I have no real reason for posting this, other than I found it amusing. I do not know to whom I should attribute the cartoon, so apologies to the author. Click for a larger version if you find this too small to read.
Fear of humans
Many animals avoid contact with people. In protected areas of the African savanna, mammals flee more intensely upon hearing human conversations than when they hear lions or sounds associated with hunting. This fear of humans affects how species use and move in their habitat. Throughout our lives, we interact with hundreds of wildlife species without…
ConservationBytes.com 
https://xkcd.com/585/
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Just 11 years too late….
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The source is http://xkcd.com/
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Many thanks, Andrew T
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