Bluebulb Projects' The Measure of Things presents:
50 is about half the number of Wolves in Yellowstone National Park
In other words, it's 0.4810 times the count of Wolves in Yellowstone National Park, and the count of Wolves in Yellowstone National Park is 2.08 times that amount.
(a.k.a. Henihco'oo; a.k.a. Héetíhco'oo) (December 2014 figures; Wyoming Park area)