Learn more about wildlife in Minnesota and the Zoo’s local conservation projects.  Zoo biologists are leading efforts to save moose, bison, and endangered prairie butterflies.

Saving Prairie Butterflies

The Minnesota Zoo’s Prairie Butterfly Conservation Program works with many agencies and groups to save endangered butterflies like the Poweshiek skipperling and Dakota skipper.

Studying Moose

Moose numbers in northern Minnesota have declined rapidly. Zoo scientists and their partners are conducting research to understand the reasons for the decline and what can be done to help.

Restoring Bison

Minnesota Zoo staff and partners are working to conserve pure American plains bison genes in the state of Minnesota to keep American plains bison populations healthy for years to come.

Restoring Freshwater Mussels

Five mussel species native to Minnesota are federally endangered. The Minnesota Zoo is working with the MN Department of Natural Resources to boost the state’s mussel restoration efforts.

Restoring Trumpeter Swans

After disappearing from the state of Minnesota in the mid-1800s, trumpeter swans are home again thanks to a restoration program and the work of many people, including Minnesota Zoo staff.

Amphibian Health and Disease

Nearly 32% of the world’s 6,000 amphibian species are known to be threatened or extinct. The Minnesota Zoo is working with partners to understand and monitor amphibian diseases on Zoo site.