The data for this graph comes from Table 053-0001 at Statistics Canada. The graph was produced with GeoGebra.
This graph is from in a Scientific American article, which says "The graph is courtesy of J.A. Bolker and D.C. Meredith, University of New Hampshire, and is based on data from Elliott, P.; Cowan, I. M.; and Holling, C. S., 1977. Prey capture by the African lion. Canadian Journal of Zoology 55(11):1811-1828." Two ways of [...]