1969

Year the bison herd was established at Fermilab

5

Size of the original herd

32

Adult bison in the herd today

4.26.21

Birthdate of this year’s first baby bison

19

Calves born this spring

100

Percentage of the herd’s genome that is pure bison, unmixed with cattle

11

Years current herdsman Cleo Garcia has overseen the bison

1

Bison featured in Fermilab’s official seal

1