«The passenger pigeon was likely to experience dramatic population fluctuations,» explains molecular ecologist Hung Chih - Ming, a postdoctoral associate at National Taiwan Normal University and lead author of the analysis published in Proceedings of the National Academy of Sciences on June 16. (scientificamerican.com)
Behavioral differences between ~ 77,000 and 58,000 years ago may coincide with population fluctuations in Africa. (becominghuman.org)
Figure 1 is a plot of population fluctuations of lynx produced by Elton and Nicholson. (drtimball.com)