This photo was taken on the north end of the Delta Agricultural Project in September. Photo courtesy Steve DuBois. Biologists count the Delta bison herd each year. They use this to determine the composition of the entire herd. This information, along with actual aerial count data helps biologists determine the size of the bison hunt.
Bison suffer very little from predation.
In this picture, Ron Riesgard is determining the sex and age of animals in a small group in the herd. Photo by Steve DuBois. That hyperlink takes you to a new web page that asks you to fill in several form fields. An automatic calendar update system revises the calendar on the front page at midnight every day. It checks the database for the next four events and posts them.