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Neighbors of DuPage

First baby bison of the year born at Fermilab

The Fermilab bison herd welcomed its first baby this season on April 20. Photo: Reidar Hahn

Batavia Fermilab offers several annual traditions for neighbors, from the Family Open House to the STEM Career Expo. None are quite as anticipated as the birth of the year’s first baby bison.

On Saturday, April 20, baby bison season officially began. The first calf of the year was born in the early morning hours, and mother and baby are doing well.

Fermilab is expecting between 12 and 14 new calves this spring, and all of their neighbors are welcome to come on site to see and photograph the newborns. (They are always a hit with young children.) 

The Fermilab site is open every day from 8am-8pm, and admission is free. Visitors need a valid photo ID to enter the site.

While you’re at the Fermilab site visiting the bison, you can learn more about Fermilab's ecological efforts by hiking the Interpretive Prairie Trail, a half-mile-long trail located near the Pine Street entrance in Batavia. 

The Lederman Science Center also offers exhibits on the prairie and hands-on physics displays. The Lederman Center hours are Monday-Friday from 8:30am-4:30pm and Saturdays from 9am-3pm.

If you want to learn more about the particle physics and accelerator research done at Fermilab, the exhibits on the 15th floor of Wilson Hall are open to the public Monday through Friday, 8am-4:30pm, and Saturdays and Sundays from 9am-3pm.

For up-to-date information for visitors, please visit or call 630-840-3351. 

The bisons’ caretakers expect that 12 to 14 bison will be born this season. Photo: Reidar Hahn 

About Fermilab's Bison Herd: Fermilab’s first director, Robert Wilson, established the bison herd in 1969 as a symbol of the history of the Midwestern prairie and the laboratory’s pioneering research at the frontiers of particle physics. The herd remains a major attraction for families and wildlife enthusiasts. A herd of bison is a natural fit for a laboratory surrounded by nature. Fermilab hosts nearly 1,000 acres of reconstructed tallgrass prairie, as well as remnant oak savannas, marshes and forests. To learn more about Fermilab’s bison herd, visit the wildlife area of Fermilab's website.

About Fermilab: Fermilab is America’s premier national laboratory for particle physics and accelerator research. A U.S. Department of Energy Office of Science laboratory, Fermilab is located near Chicago, Illinois, and operated under contract by the Fermi Research Alliance LLC, a joint partnership between the University of Chicago and the Universities Research Association, Inc. Visit Fermilab’s website at and follow us on Twitter at @Fermilab. The DOE Office of Science is the single largest supporter of basic research in the physical sciences in the United States and is working to address some of the most pressing challenges of our time. For more information, please visit

Source: Andre Salles, Fermilab Office of Communication 630-840-6733