In 1994 the Park began implanting microchips just under the skin behind the right ear of each bison, as a secondary means of identification. A special scanner that is connected to the Wind Cave Roundup computer program reads the microchips. Once the microchip is read, the bison database is automatically updated.

---

Click on page to go to:

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16