Living and Elk Island National Park, I see a lot of bison on a daily basis. I am very familiar with how they look, move, sound, and smell. That makes looking at historical photographs of bison all the more fascinating. While Elk Island’s herd is fairly genetically diverse, thanks to the seed stock from which they originated, historical photos and descriptions indicate that there was much greater variety in appearance than I am used to seeing. Some historians say that photographs of gigantic piles of buffalo skulls from the 1880s and 1890s show more diversity in horn shape and size than anything we see in museum collections – and presumably living herds – today.
Case in point: this image of bison at the now-defunct Buffalo National Park (1909-1939) near Wainwright, Alberta. Yes, wood bison in particular have shaggier heads (often reminding observers of teenage “emo” hairstyles) but plains bison caps don’t normally have hair that looks so straight or… wig-like.
For more information on Buffalo National Park, see: Brower, Jennifer. Lost Tracks: Buffalo National Park, 1909-1939. Edmonton: Athabasca University Press, 2008.
For more information on the diversity of bison anatomy in archaeology, see: Michael Clayton Wilson, “Bison in Alberta: Paleontology, Evolution, and Relations with Humans,” in Buffalo: Alberta Nature and Culture Series, edited by John Foster, Dick Harrison, and I.S. MacLaren (Edmonton, Alberta: University of Alberta Press, 1994): 1-17.