CBS 2 Chicago wbbm7801059 670 The Score

bison

Fermilab's bison herd welcomes five calves. The herd now has 25 bison. (Credit: Fermilab)

Fermilab Welcomes Five Bison Calves

The bison herd at Fermi National Accelerator Laboratory has gotten bigger.

06/19/2012

Animals At In The Brookfield Zoo Try To Beat The Summer Heat

Herd Of Bison Set To Move Into Prairie Near Chicago

Within three to five years, a herd of 75 bison may be moving into the Midewin National Tallgrass Prairie about an hour southwest of Chicago.

WBBM Newsradio–12/06/2011