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in 1998, although aerial counts at the time registered at least three times more. A 2011 study by Ogutu et al. of the wild animal population in and around Masai Mara National Park found that topi population size had declined by over 70% between the 1977-1979 average population and the 2007-2009 average population. A 2016 study by Ogutu et al. compiling aerial survey records for entire Kenya found an average population of 22,239 for the period 2011-2013. There was an increase of topi numbers in

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