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Minnesota Biological Survey

image of monarch butterflies on Liatrus ligulistylus plantsThe Minnesota Biological Survey (MBS) systematically collects, interprets, monitors and delivers data on plant and animal distribution as well as the ecology of native plant communities and functional landscapes. More about the survey

What's new in MBS

MBS 30th Anniversary

MBS 30th Anniversary!

For 30 years, biologists with MBS have been combing the state, looking for remnants of native vegetation and rare plant and animal species. Check out the anniversary page for a look at our progress!


Flowers of the purple-flowered bladderwort

Aquatic Survey Update

MBS is known for assessing prairies and forests, but did you know we also study 'hidden forests' in lakes and rivers? MBS Plant Survey Supervisor, Hannah Texler, provided an aquatic plant team update!


Water track

MBS Bat Team Update

This was an excellent season for the MBS northern long-eared bat team. Check out the bat update to learn more about the survey procedures the bat team uses to track bat roosting patterns!


Prairie map

MBS updates map of remaining prairies!

At the time of European settlement (mid 1800s), Minnesota had 18 million acres of tallgrass prairie. Today only a little more than 1 percent (about 250,000 acres) of the original prairie remainsThis is a PDF file. You will need Adobe Acrobat Reader to download it..


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